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: Pharmacology
[{'content': 'Which one of the following drugs does not interfere with folic acid metabolism? \nSelect and explain. \nA. Phenytoin, B. Gabapentin, C. Phenobarbitone, D. Primidone', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Gabapentin Antiepileptics interfering with folic acid metabolism. 1. Phenytoin 2. Phenobarbitone 3. Primidone", 'role': 'assistant'}]