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': 'Ridley jopling leprosy classification is a type of- \nSelect and explain. \nA. Clinical, bacteriological, immunological, epidemiological classification, B. Clinical, bacteriological, immunological, therapeutic classification, C. Clinical, bacteriological, immunological, histological classification, D. Operational classification', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Classifications of Leprosy', 'role': 'assistant'}]