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: Pediatrics
[{'content': 'Drug of choice in absence seizure- \nSelect and explain. \nA. Carbamazepine, B. Phenytoin, C. ACTH, D. Ethosuximide', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Ethosuximide", 'role': 'assistant'}]