Update README.md

README.md

@@ -35,17 +35,17 @@ While Arabic NLP has seen growth in cultural and linguistic tasks, scientific re
 
 ## Dataset Structure
 
-- `question`: Arabic text of the MCQ (fully self-contained)
+- `question_text`: Arabic text of the MCQ (fully self-contained)
 - `choices`: List of four choices labeled "أ", "ب", "ج", "د"
-- `answer`: Correct choice (letter only)
+- `correct_choice`: Correct answer (letter only)
 - `domain`: Subject area (e.g., biology, physics)
 - `difficulty`: Score from 1 (easy) to 10 (hard)
 
 ```json
 {
-  "question": "ما هو الغاز الذي يتنفسه الإنسان؟",
+  "question_text": "ما هو الغاز الذي يتنفسه الإنسان؟",
   "choices": ["أ. الأكسجين", "ب. ثاني أكسيد الكربون", "ج. النيتروجين", "د. الهيدروجين"],
-  "answer": "أ",
+  "correct_choice": "أ",
   "domain": "biology",
   "difficulty": 3
 }