This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
Minimum number of people for a group discussion are 
Select and explain. 
A. 8, B. 6, C. 5, D. 4
B: 6
Answer: B: 6 
Explanation: For effective group discussion, the group should not be less than 6 and more than 12 members.