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': 'A child has no criminal responsibility if the age is less than \nSelect and explain. \nA. 5 years, B. 7 years, C. 12 years, D. 18 years', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., 7 years", 'role': 'assistant'}]