Update README.md

README.md

@@ -46,11 +46,10 @@ The question-answer pairs are in English.
 ## Dataset Structure
 
 ### Data Instances
-Each instance consists of an image-question-answer triplet. The `'image'` field is the filename of the referenced image, 
-excluding the file extension, which is `.jpg`. 
+Each instance consists of an image-question-answer triplet.
 
 Example from training dataset:
-```python
+```
 {
   'image': 'train_0001',
   'question': 'What is the appearance of the chromatin texture,  with fine and coarse clumps?',
@@ -58,7 +57,7 @@ Example from training dataset:
 }
 ```
 Example from validation dataset:
-```python
+```
 {
   'image': 'val_0000',
   'question': 'How are the organisms?',
@@ -66,12 +65,22 @@ Example from validation dataset:
 }
 ```
 Example from test dataset:
-```python
+```
 {
   'image': 'test_0001',
   'question': 'Is squamous cell carcinoma composed of nests of malignant cells that partially recapitulate the stratified organization of squamous epithelium?',
   'answer': 'yes'
 }
 ```
-  
+### Data Fields
+- `'image'`: the filename of the referenced image, excluding the file extension, which is `.jpg`. 
+- `'question'`: the text of the question about the image.
+- `'answer'`: the text of the expected answer.
+
+### Data Splits
+The dataset is split into training, validation and test. The split is provided by the authors.
 
+|                         | train | validation | test |
+|-------------------------|------:|-----------:|-----:|
+| Input Sentences         |       |            |      |
+| Average Sentence Length |       |            |      |