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': 'A 40 year old diabetic presents with blackish nasal discharge and a mass in the nose, likely diagnosis is: \nSelect and explain. \nA. Mucormycosis, B. Actinomycosis, C. Rhinosporiodosis, D. Histoplasmosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Mucomycosis is an oppounistic infection which is, common in diabetics, presenting with blackish nasal discharge.', 'role': 'assistant'}]