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': 'GATHER Approach is useful for \nSelect and explain. \nA. Chlorination of water, B. Refuse disposal, C. Counselling, D. Data analysis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: G: Greet the clients (make them comfortable, give attention)\nA: Ask/ ascertain needs/ problems or reasons for coming\nT: Telling different methods/ options/ choices to solve the problem\nH: Help client to make voluntary decisions\nE: Explain fully the chosen decision/ action/ method\nR: Return for follow-up visit', 'role': 'assistant'}]