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': '"Central clearing" is seen with \nSelect and explain. \nA. Leishmaniasis, B. Lupus vulgaris, C. Tinea, D. Histoplasmosis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Central clearing: Tinea\nCentral Crusting: Leishmaniasis\nCentral Scarring: Lupus vulgaris.', 'role': 'assistant'}]