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': "Macewan sign' is seen in - \nSelect and explain. \nA. Alcoholic intoxication, B. Organophosphorus poisoning, C. Barbiturate poisoning, D. Dhatura poisoning", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Macewan sign is seen is stage of narcosis of acute alcohol intoxication.', 'role': 'assistant'}]