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: Anaesthesia
[{'content': 'Hypehermia is caused by: \nSelect and explain. \nA. Anticholinnergics, B. MAO inhibitors, C. Lithium, D. Chlorpromazine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. MAO inhibitor', 'role': 'assistant'}]