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 was: \nSelect and explain. \nA. Mc Naughten was:, B. A witness, C. Private secretary to PM, D. A lawyer', 'role': 'user'}, {'content': 'Answer: A \nExplanation: An accused', 'role': 'assistant'}]