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': 'Uses of alpha-2-agonist are all except? \nSelect and explain. \nA. Sedation, B. Glaucoma, C. Benign Hyperplasia of prostate, D. Hypeension', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Benign Hyperplasia of prostate.', 'role': 'assistant'}]