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: ENT
[{'content': "Atrophic dry nasal mucosa, extensive encrustations with woody' hard external nose; is suggestive of - \nSelect and explain. \nA. Rhinosporidiosis, B. Rhinoscleroma, C. Atrophic rhinitis, D. Carcinoma of nose", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Atrophic dry nasal mucosa with woody hard external surface suggests the diagnosis of Rhinoscleroma.', 'role': 'assistant'}]