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': 'A Panel difillitasion is - \nSelect and explain. \nA. Mass approach, B. Individual approach, C. Group approach, D. One way communication', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Group approach Panel discussion is a group approach with two way communication.", 'role': 'assistant'}]