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 group of expes discussing and interacting about a paicular topic in presence of audience is: \nSelect and explain. \nA. Symposium, B. Workshop, C. Seminar, D. Panel discussion', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Panel discussion', 'role': 'assistant'}]