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': 'Genital elephantiasis is caused by: \nSelect and explain. \nA. Donovanosis, B. Congenital syphilis, C. Herpes genaitalis, D. Lymphogranuloma venerum', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Lymphogranuloma venerum', 'role': 'assistant'}]