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: Dental
[{'content': 'A tableau was held in a village to educate the villagers about early detection of oral cancer. This type of health education is called: \nSelect and explain. \nA. Symposium, B. Seminar, C. Role play, D. Learning by doing', 'role': 'user'}, {'content': "Answer: C \nExplanation: Role-playing / Sociodrama: \n\nThe size of the group should be about 25. The audience should take an active part by suggesting alternative solutions and even by taking part in the drama.\nThe situation is dramatized to make communication more effective.\nIt is followed by a discussion of the problem.\nPuppet shows used in villages is a type of sociodrama.\nUseful for children's health education.\n\nReference: Essentials of Preventive and Community Dentisitry, Soben Peter , 4th ed page no 216", 'role': 'assistant'}]