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 moritis devolops ..... after death : \nSelect and explain. \nA. 1/2-1 hrs, B. 1-2 hrs, C. 3-6 hrs, D. 12 hrs', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. 1 - 2 hours', 'role': 'assistant'}]