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': 'Cherry red color of hypostasis is seen in- \nSelect and explain. \nA. CO poisoning, B. H2SO4, C. HNO3, D. Burns', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Cherry red color of blood is characteristically found in CO poisoning and in about 50% cases in cyanide/HCN poisoning (in 50% cases of cyanide poisoning it is bright red colored).', 'role': 'assistant'}]