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: Skin
[{'content': 'Streptomycin is useful in treatment of \nSelect and explain. \nA. Granuloma venerum, B. LGV, C. Syphillis, D. Chancroid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Granuloma venerum', 'role': 'assistant'}]