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': 'Mass treatment with azithromycin is indicated if prevalence of trachoma follicles (TE) in 1-9 years population is more than \nSelect and explain. \nA. 4%, B. 6%, C. 8%, D. 10%', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. 10%', 'role': 'assistant'}]