This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Demography and family planning, Subject name: Social & Preventive Medicine
[{'content': 'Barrier method \nSelect and explain. \nA. Hormonal contraceptive, B. IUD, C. Condom, D. Sterilization', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Barrier methods includes Physical, Chemical and Combined methods Physical methods include Condom, Diaphragm and Vaginal sponge Chemical methods include Foams, Creams, Suppositories and Soluble films Reference : Park&;s textbook of preventive and social medicine, 23rd edition, Page no: 494, 495', 'role': 'assistant'}]