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: Social & Preventive Medicine
[{'content': 'Best mode to control leprosy eradication–programme is \nSelect and explain. \nA. Mass chemotherapy, B. Early diagnosis and treatment, C. High risk chemotherapy, D. Health education', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Early diagnosis & Treatment is the most important part of NLEP.\n\nNote :\n\nOther disease for which early diagnosis & treatment is the most important step in control → TB, STD.', 'role': 'assistant'}]