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: Ophthalmology
[{'content': 'the movement medial/nasal movement is lost in this action which neve is affected \nSelect and explain. \nA. 4th nerve, B. 6th nerve, C. 3rd nerve, D. 7th nerve', 'role': 'user'}, {'content': 'Answer: C \nExplanation: ref : ak khurana 7th ed', 'role': 'assistant'}]