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': 'Dosage of Vitamin-A for children between 1-3 years- \nSelect and explain. \nA. 12501U, B. 1333 IU, C. 1667 IU, D. 2333 IU', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., 1333 IU", 'role': 'assistant'}]