docs(readme): refactor

README.md

@@ -39,7 +39,7 @@ Github Repo: https://github.com/TreeAI-Lab/NumericBench
 
 # How to use it?
 
-### Loading Data
+## Loading Data
 
 ``` python
 from huggingface_hub import hf_hub_download
@@ -63,11 +63,11 @@ for dataset_name in dataset_name_list:
 
 Alternatively, you can download the dataset from [this link](https://zenodo.org/records/14875784?token=eyJhbGciOiJIUzUxMiJ9.eyJpZCI6IjZhYjZlYzYwLWZkMTgtNGU1Ni1iM2I2LWUwNWVlMGIwZmYwZCIsImRhdGEiOnt9LCJyYW5kb20iOiIwNzQxNmU0NWY5ZDkxMzQ4ODVmYjdlZDgyOGJmNjVhYSJ9.m-_8Owb3TohJ76cGt2Mu4wrpsxMgC4E_aJG7Q07KHOTlKaxB4kipMY3eBZPaQEIkOv_iJEkRmlvZr23rLkTMBw).
 
-### Data Format
+## Data Format
 
 Due to the excessive length of the content, "..." is used to indicate omission.
 
-##### single-turn
+### single-turn
 
 ``` json
 {
@@ -95,7 +95,7 @@ Due to the excessive length of the content, "..." is used to indicate omission.
 }
 ```
 
-##### multi-turn
+### multi-turn
 
 ``` json
 {
@@ -113,30 +113,14 @@ Due to the excessive length of the content, "..." is used to indicate omission.
                     "question": "...",
                     "answer": "F",
                     "ability": "contextual retrieval"
-                },
-                {
-                    "turn_index": 1,
-                    "question_index": 6,
-                    "struct_data": "...",
-                    "question": "...",
-                    "answer": "B",
-                    "ability": "contextual retrieval"
-                },
-                {
-                    "turn_index": 2,
-                    "question_index": 6,
-                    "struct_data": "...",
-                    "question": "...",
-                    "answer": "A",
-                    "ability": "contextual retrieval"
-                }
+                }, ...
             ]
-        }
+        }, ...
     ]
 }
 ```
 
-### Evaluation
+## Evaluation
 
 # Dataset statistics