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': '4 - 8 expes discussing a given problem in front of audience- \nSelect and explain. \nA. Symposium, B. Panel discussion, C. Workshop, D. Group discussion', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ref: p.928 25th edition Park's Textbook of Preventive and Social Medicine", 'role': 'assistant'}]