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: Unknown
Minimum number of people for group discussion are? 
Select and explain. 
A. 8, B. 6, C. 4, D. 5
B: 6
Answer: B: 6 
Explanation: - “For effective group discussion, the group should compromise not less than 6 and more than 12 members.”