This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disease of External Nose & Nasal Septum, Subject name: ENT
[{'content': 'Bony nasal septal perforation is seen in? \nSelect and explain. \nA. Tuberculosis, B. Syphilis, C. Leprosy, D. Rhinosporidiosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) SyphilisRef: Dhingra 5thed p.166', 'role': 'assistant'}]