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: Dental
[{'content': 'Granuloma venereum is caused by – \nSelect and explain. \nA. Donovania granulomatis, B. Chlamydia, C. Hemophillus ducrey, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Donovanosis (granuloma inguinale or granuloma venerum) is caused by calymmatobacterium granulomatis.', 'role': 'assistant'}]