This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of orbit, Lids and lacrimal apparatus, Subject name: Ophthalmology
[{'content': 'All nerve are involved in superior orbital fissure syndrome except- \nSelect and explain. \nA. 1st, B. 3rd, C. 4th, D. 6th', 'role': 'user'}, {'content': 'Answer: A \nExplanation: *Nerve involved in superior orbital fissure syndrome are 3rd, 4th, 6th and Ophthalmic division of 5th nerve.', 'role': 'assistant'}]