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: Pharmacology
[{'content': 'Which one of the following drug is not a non-opioid analgesic drug? \nSelect and explain. \nA. Meloxicam, B. Methadone, C. Nimesulide, D. Nabumetone', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Methadone Meloxicam, Nimesulide and Nabumetone are NSAIDs. o NSAIDs are also called nonnarcotic, nonopioid or aspirin like analgesics. o Methadone is an opioid.", 'role': 'assistant'}]