This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NPCBVI, NACP, Subject name: Social & Preventive Medicine
[{'content': 'SAFE strategy has been developed for the control of:- \nSelect and explain. \nA. Onchocerciasis, B. Trachoma, C. Refractive error, D. Ocular trauma', 'role': 'user'}, {'content': "Answer: B \nExplanation: WHO has recommended 'SAFE strategy' for global elimination of trachoma:- Surgery. Antibiotic use. Facial cleanliness. Environmental improvement.", 'role': 'assistant'}]