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': 'All are true regarding muscular changes after death, except: NEET 14 \nSelect and explain. \nA. Rigor mois occurs 1-2 h after the death, B. Cadaveric spasm involves involuntary muscles, C. Rigor mois involves voluntary muscles, D. Rigor mois involves involuntary muscles', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Cadaveric spasm involves involuntary muscles', 'role': 'assistant'}]