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': 'Following group of drugs is not the first line in the management of chronic pain? \nSelect and explain. \nA. Opioids, B. Antiepileptics, C. Serotonergic drugs, D. Dopamine antagonist', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Dopamine antagonist", 'role': 'assistant'}]