This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
[{'content': 'Safest antiepileptic drug during pregnancy is - \nSelect and explain. \nA. Dilantin, B. Sodium valproate, C. Trimethadione, D. Carbamazepine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans-D', 'role': 'assistant'}]