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': 'Features of non – proliferative DR is all except – a) Neovascularizationb) Soft exudatec) Hard exudated) Vitreous detachmente) Cotton – wool spot \nSelect and explain. \nA. b, B. c, C. ad, D. ab', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Neovascularization and vitreous detachment are seen in proliferative diabetic retinopathy.', 'role': 'assistant'}]