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: Forensic Medicine
[{'content': "Mc Naughten's rule : \nSelect and explain. \nA. Section 84, B. Section 85, C. Section 86, D. Section 87", 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Section 84', 'role': 'assistant'}]