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': 'Putrefaction is a : \nSelect and explain. \nA. Perimoem sign of death, B. Immediate sign of death, C. Early sign of death, D. Late sign of death', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Late sign of death', 'role': 'assistant'}]