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
[{'content': 'Minimum number of people for group discussion are? \nSelect and explain. \nA. 8, B. 6, C. 4, D. 5', 'role': 'user'}, {'content': 'Answer: B \nExplanation: - “For effective group discussion, the group should compromise not less than 6 and more than 12 members.”', 'role': 'assistant'}]