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': "Casper's dictum is related to: AI 09; MP 11 \nSelect and explain. \nA. Identification of dead body, B. Calculation of time since death, C. Floatation of a dead body, D. Rate of putrefaction", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. Rate of putrefaction', 'role': 'assistant'}]