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: Social & Preventive Medicine
[{'content': "'Vitamin A requirement in infant is- \nSelect and explain. \nA. 350 g, B. 600 g, C. 800 g, D. 1000 g", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., 350 g", 'role': 'assistant'}]