Update README.md

README.md

@@ -39,6 +39,17 @@ Each subject dataset includes:
 - **Testing Set**: Questions from the year 2021.
 - **Training Set**: Questions spanning 2019-2020. For Social Studies, the span is 2016-2020.
 
+### Key Features
+- **Split Data**: The dataset is divided into training and testing sets, allowing for effective model training and evaluation.
+- **Question Format**: All questions are provided in text format.
+- **Multiple Choice Questions**: The dataset includes multiple choice questions, offering a range of possible answers for each query.
+- **Solutions**: Correct answers to all questions are provided.
+- **Thai Human Verification**: Each item in the dataset has been verified by a Thai-speaking individual who is not a domain expert, ensuring the clarity and accessibility of the content.
+- **Extra Annotations**:
+  - `isAnswerable`: Indicates whether the question can be answered with the provided text alone, without the need for additional information such as visual aids.
+  - `isMultipleChoice`: Identifies if the question is a multiple choice question.
+  - `isSingleChoiceSolution`: Specifies if there is only one correct answer among the provided choices.
+
 ## Usage
 
 This dataset is ideal for developing and evaluating models in the domain of educational question-answering systems. It provides a unique opportunity to explore multilingual processing in the context of Thai and English.