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': 'MMR. vaccination is given at- \nSelect and explain. \nA. Bih, B. 6th month, C. One year, D. 11/2 years', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., 11/2 years o See IAP vaccination schedule.", 'role': 'assistant'}]