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': 'Acanthamoeba Keratitis, not true statment is \nSelect and explain. \nA. Common in contact lens users, B. Ring abscess seen, C. Pain is very severe, D. Cultured on Nutrient agar enriched with E.coli', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Acanthamoeba cultured on non-nutrient agar enriched with E.coli.', 'role': 'assistant'}]