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': 'Elevators of eye: \nSelect and explain. \nA. SR and 10, B. I0 and SO, C. IR and S, D. SO SR', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. SR and 10', 'role': 'assistant'}]