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': 'Malignant hypehermia is caused by \nSelect and explain. \nA. Succinylcholine + halothane, B. Propranolol, C. Lidocaine, D. Bupivacaine', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Succinylcholine + halothane", 'role': 'assistant'}]