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': 'Post moem staining in case of "CO" poisoning is: \nSelect and explain. \nA. Blue, B. Brown, C. Bright red, D. Cherry red', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Cherry red', 'role': 'assistant'}]