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': "Hard exudates are seen in the following except: \nSelect and explain. \nA. Hypeensive retinopathy, B. Diabetic retinopathy, C. Leukemic retinopathy, D. Exudative retinopathy of Coat's", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Leukemic retinopathy', 'role': 'assistant'}]