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': 'Rigor mois come early in all, except: PGI 14 \nSelect and explain. \nA. Cholera, B. Heat stroke, C. OPC poisoning, D. Pneumonia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. Pneumonia', 'role': 'assistant'}]