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': 'Postmortem finding in carbon monoxide poisoning is- \nSelect and explain. \nA. Cherry red blood, B. Intense cyanosis, C. Excessive salivation, D. Pin point pupil', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]