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': 'Which of the following are not local anesthetics – a) Bupivacaineb) Mepivacaine c) Mivacuriumd) Butorphenole) Buprenorphine \nSelect and explain. \nA. cde, B. acd, C. bde, D. ade', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Amongst the given options bupivacaine and mepivacaine are local anaesthetics.', 'role': 'assistant'}]