This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
[{'content': 'Drug of choice for acute severe migraine is \nSelect and explain. \nA. NSAID, B. Beta blockers, C. Sumatriptan, D. Caffeine', 'role': 'user'}, {'content': "Answer: C \nExplanation: Acute migraine is a general term for migraines that aren't diagnosed as chronic. Another name for this type is episodic migraine.People who have episodic migraines have headachesup to 14 days a month. Thus, people with episodic migraines have fewerheadaches a month than people with chronic ones. Triptans are drugs of choice for severe migranes along with NSAIDs . Ref: KD Tripathi 8th ed.", 'role': 'assistant'}]