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: Ophthalmology
[{'content': 'Treatment of choice for acute angle closure glaucoma is \nSelect and explain. \nA. Timolol, B. Pilocarpine, C. Steroid, D. Atropine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Pilocarpine', 'role': 'assistant'}]