This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health education & planning, Subject name: Social & Preventive Medicine
[{'content': 'To increase awareness of rural population towards small family norm, the best method is - \nSelect and explain. \nA. Film show, B. Chas Exhibitions etc, C. Roel playing, D. Setting and example', 'role': 'user'}, {'content': "Answer: D \nExplanation: -To increase awareness of rural population towards small family norm, the best method is setting an example - if the health educator is talking about small family norm, he will not get far if his own family is big Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:862", 'role': 'assistant'}]