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': 'Amyl nitrite is used as antidote in which poisoning? \nSelect and explain. \nA. Cyanide, B. Cholinesterase, C. Benzodiazepine, D. Barbiturate', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Cyanide", 'role': 'assistant'}]