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 about postmortem staining except -a) Occur immediate after deathb) Common in dependent partc) Disappear with rigor mortisd) Margins are raisede) Not found in internal organ \nSelect and explain. \nA. bce, B. bde, C. acde, D. abde', 'role': 'user'}, {'content': "Answer: C \nExplanation: Postmortem staining is an early sign (not immediate sign) of death → option 'a' is incorrect.\nIt occurs in dependent part of body and internal organs → option 'b' is correct and option `e' is incorrect\nIt disappears when putrefaction sets in → option 'c' is incorrect.\nIt does not appear elevated but margins are shapely defined → option 'd' is incorrect.", 'role': 'assistant'}]