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 other name of ? \nSelect and explain. \nA. Chalazion, B. Hordeolum internum, C. Hordeolum externum, D. None of the above', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Hordeolum externum", 'role': 'assistant'}]