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': 'Tablet for supplementation of iron and folic acid for adult contains ? \nSelect and explain. \nA. 20 mg iron, 5001,tg folic aci, B. 40 mg iron, 250 folic acid, C. 100 mg iron, 500 lig folic acid, D. 100 mg iron, 100 hg folic acid', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., 100 mg iron, 500 jig folic acid", 'role': 'assistant'}]