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: Anatomy
[{'content': 'The antagonistic muscle to superior rectus is: \nSelect and explain. \nA. Inferior oblique, B. Inferior rectus, C. Superior oblique, D. Lateral rectus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]