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': 'Psychological autopsy is very helpful in \nSelect and explain. \nA. Homicidal deaths, B. Suicidal deaths, C. Motor vehicle accident deaths, D. Death due to cardiac arrest', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Refer the byte "Autopsy techniques and types".', 'role': 'assistant'}]