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 suppurative inflammation of glands of ? \nSelect and explain. \nA. Zeis, B. Meibonian, C. Wolfring, D. All the above', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Zeis", 'role': 'assistant'}]