This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
[{'content': 'Adult non-pregnant female requires, calcium per day - \nSelect and explain. \nA. 400 mg, B. 600 mg, C. 800 mg, D. 1000 mg', 'role': 'user'}, {'content': "Answer: B \nExplanation: 600 mg/dl calcium is required for a non pregnant adult female.REF.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE.Editon-21.Page no.-588. Table no.29", 'role': 'assistant'}]