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': 'Ocular lesions of gout include all of the following except: \nSelect and explain. \nA. Episcleritis, B. Scleritis, C. Keratitis, D. Uveitis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Keratitis', 'role': 'assistant'}]