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': 'Suraksha clinic is involved in the treatment of: \nSelect and explain. \nA. Malnutrition, B. Sexually transmitted diseases, C. Malaria, D. Leprosy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Under National AIDS Control Organisation (NACO), services for sexually transmitted diseases have been termed as Suraksha clinic. Ref: Park 21st edition, page 397.', 'role': 'assistant'}]