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': 'Yoke muscle for right superior rectus is: \nSelect and explain. \nA. Left superior rectus, B. Left inferior oblique, C. Left inferior rectus, D. Left superior oblique', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Left inferior oblique', 'role': 'assistant'}]