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': 'While launching a community programme best method of action is – \nSelect and explain. \nA. Publicity drive, B. Talk to community leaders, C. Involvement of voluntary agencies, D. Organize lecture', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Role of leaders \n\nWe learn best from people whom we respect and regard.\nIn Health education, we try to penetrate the community through the local leaders - the village head man, the school teacher or the political worker.\nLeaders are agents of change and they can be made use of health education work.\nIf the leaders are convinced first about a given programme, the rest of the task of implementing the programme will be easy.', 'role': 'assistant'}]