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': 'True about rigor mois are all, except: FMGE 08 \nSelect and explain. \nA. Seen immediately after death, B. It last 18-36 h in summer, C. It disappears in the sequence as it appears, D. It last 24-48 h in winter', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Seen immediately after death', 'role': 'assistant'}]