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': 'McNaughton rule is: \nSelect and explain. \nA. Sec 84 CrPC, B. Sec 84 IPC, C. Sec 85 CrPC, D. Sec 85 IPC', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ref. Textbook of forensic medicine. Krishnan Vij. Page.\xa0 120', 'role': 'assistant'}]