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': 'The most important step in health education of a community is – \nSelect and explain. \nA. Contact with doctors, B. Community discussion, C. Announcements to the community by loud speakers, D. Knowledge of local needs', 'role': 'user'}, {'content': "Answer: D \nExplanation: Only one of the options provided is included under the 'principles of health education'.\n'Health educators must find out the real health needs of the people. these needs are termed as felt need, ie. needs which the people feel about themselves'.\n\nPrinciples of Health Education\xa0\n\nInterest : Identification of local needs\nParticipation\nKnown to unknown\nComprehension\nReinforcement\xa0\nMotivation\nLearning by doing\nSoil, seed and sower\nGood human relations\nLeaders", 'role': 'assistant'}]