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': 'Snow banking is not a feature of \nSelect and explain. \nA. Candidiasis, B. Multiple sclerosis, C. Chronic congestive glaucoma, D. Sarcoidosis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Snow banking is seen in\n\nCandidiasis\nMultiple sclerosis\nSarcoidosis\nOcular toxocariasis\nPara planitis', 'role': 'assistant'}]