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
"4 to 8 qualified people sitting and discussing a topic in front of a large audience" is known as: 
Select and explain. 
A. Symposium, B. Panel discussion, C. Workshop, D. Workshop
B: Panel discussion
Answer: B: Panel discussion 
Explanation: Panel discussion comprises of 4 to 8 qualified persons who sit and discuss a topic in front of a large audience. The panel comprises of a chairman or moderator and from 4 to 8 speakers. The audience can interact with the panel. Panel discussion can be an extremely efficient method of mass education. Ref: Park 21st edition, page: 804.