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: Microbiology
[{'content': 'Necrotizing granulomatous inguinal lymphadenopathy is caused by - \nSelect and explain. \nA. Syphilis, B. Granuloma inguinale, C. Sarcoidosis, D. All', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Syphilis", 'role': 'assistant'}]