This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'Vitamin D requirement for children \nSelect and explain. \nA. 100 IU, B. 200 IU, C. 300 IU, D. 400 IU', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Daily requirement of vitamin D Adults - 100 lU Infants and children - 200 lU Pregnant and lactating- 400 IU', 'role': 'assistant'}]