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': 'Chief judicial magistrate \nSelect and explain. \nA. District collector, B. Additional district magistrate, C. Sub collector, D. Any of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Additional district magistrate', 'role': 'assistant'}]