This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'After cataract is best treated with \nSelect and explain. \nA. ARGON LASER, B. Nd-YAG LASER, C. EXIMER LASER, D. Holmium LASER', 'role': 'user'}, {'content': 'Answer: B \nExplanation: .', 'role': 'assistant'}]