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': 'Eyelid drooping in/are seen in: \nSelect and explain. \nA. Damage to edinger-westphal nucleus, B. Damage to motor pa of facial nerve, C. Damage to sympathetic nerve supply, D. Damage to lacrimal nerve', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Damage to sympathetic nerve supply', 'role': 'assistant'}]