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': "Stye is inflammation of ? \nSelect and explain. \nA. Zeis' gland, B. Meibomian gland, C. Glands of Manz, D. Lacrimal glands", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Zeis' gland", 'role': 'assistant'}]