input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Jane was an old woman. She was rich and lived in a big house. One morning, Jane opened the window and looked at her garden. The sun was shining brightly. "What a good day!" she said. Suddenly she saw a man eating grass in front of the garden of her house. She walked to the man and asked, "Why are you eating grass? Are you very hungry?" The man answered, "I have no money to buy any food. I haven't had meals for days. I'm dying of hunger." "Poor boy," said Jane, "come to the back door." Then she walked into the house again. "The rich lady will give me some food to eat. It's so kind of her." The man thought. But when he went into the house, Jane opened the back door and said to him, "The grass is taller behind the house." Options: A Some grass B Some rice C Some bread D Some food Answer: A Some grass Question:???
output answer: What was the man eating when the woman saw him?

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: What's the strongest part of your body? Your head? Bones? It's your teeth. There is a special thing called enamel in teeth. It is the hardest thing in the human body and keeps bacteria away. However, teeth are hurt easily to problems and disease. September 20 is National Teeth-loving Day in China. Let's pay attention to the health of our teeth. Teeth problems are common around the world. Most children and young adults have tooth decay . A study which come out on China Health Monthly magazine this year showed that 40.74% of a sample of 1,306 Chinese students under age 15 has decayed teeth. Food that is rich in sugar increases the risk of tooth decay. After you eat, bacteria go crazy over the sugar on your teeth. The bacteria turn sugar into acids that eat away at tooth enamel. This causes holes in your teeth. Another common problem is crooked teeth . When your new teeth begin to grow and the old teeth haven't fallen out, there isn't enough space for the new ones. This causes crooked teeth. Don't worry. Here are some ways to keep your teeth healthy. *Brush at least twice a day in the morning and in the evening. *Learn to use dental floss . The floss gets rid of food that's hidden where your toothbrush can't get it. *Visit a dentist. He or she can check if you have any dental problems and help you clean your teeth. *Pay attention to what you eat. It's better to eat lots of fruit and vegetables instead of fries and drink water instead of soda. *Wear braces  to make your teeth straight and beautiful. Options: A September 30. B October 20. C September 20. D June 5. Answer: C September 20. Question:???
output answer: When is National Teeth-loving Day in China?

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Mrs Green lives in a small village . Her husband is dead ,but she has one son .His name is Jack . He is twenty-one .He worked in the shop in the village and lived with his mother , but then he found a job in a faraway town named Green Sea .He went and lived there .Mrs Green was not happy about it . Last Sunday ,Mrs Green was angry .She got on a train and went to her son's house in Green Sea . Then she said to him,"Jack ,why do you never telephone me ?" Jack laughed , "But ,mother ,you don't have a telephone ." "No,"she answered, "I haven't , but you have one !" Options: A he didn't like her B he could see her every day C he had no telephone D his mother had no telephone Answer: D his mother had no telephone Question:???
output answer: Jack didn't telephone his mother because  _  .

input question: Write a multi-choice question for the following article, with the given choices and answer: Article: Li Siyi, a student from Jinan Foreign Language School, takes up a new habit. She refuses to believe everything that she reads. "Not everything in books is true," she said. Many other students in her school think the same thing as Li. They learned this through finding a mistake in their Chinese textbook. They learned a Tang poem, Ci Beigu Shanxia, last year. There was a picture that showed a boat in full sail on a river. "But according to the famous line from the poem, feng zheng yifan xuan, the sail shouldn't be spread ," said Zhang Jiayi, Li's classmate. To get the right answer, the students turned to their Chinese teacher, Liu Yan. Liu and the students looked up books, searched on the Internet and made sure that the People's Education Press had really made a mistake about the picture. The students wrote a letter to them about the mistake. "I think my students did a right thing but I never expected a reply," said Liu. "I took it as a way of letting them know the importance of spirit of questioning." To their surprise, one month later, they got the reply from Gu Zhenbiao, the expert of Chinese textbooks in middle schools. Gu said sorry for the mistake and he also said he really thinks the students are very great. When Liu read the letter loudly to all the students, everyone was excited. "We are very happy we have our own ideas!" said Li. Options: A Refusing to read. B Reading more poems. C Writing letters to experts. D Making sure if what she reads is true. Answer: D Making sure if what she reads is true. Question:???
output answer: