This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Death and Investigations, Subject name: Forensic Medicine
[{'content': 'Fencing attitude in dead bodies is caused by: \nSelect and explain. \nA. Coagulation of proteins, B. Emulsification of fat, C. Strangulation, D. Throttling', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (A). Coagulation of proteinsFencing attitude is the other name of heat stiffening.Heat stiffening is due to muscle protein coagulation Q.', 'role': 'assistant'}]