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': 'Which of the following is supplied by the third cranial nerve ? \nSelect and explain. \nA. Superior oblique, B. Inferior oblique, C. Lateral rectus, D. Dilator papillae', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]