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 an acute suppurative infection of \nSelect and explain. \nA. Gland of zeis, B. Meibomian gland, C. Both, D. Lacrimal gland', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Stye or Hordeolum externum is an acute suppurative staphylococcal infection of gland of zeis or gland of moll.', 'role': 'assistant'}]