This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fungal infections, Subject name: Dental
[{'content': 'Nail infection is caused by all of the following except: \nSelect and explain. \nA. Trichophyton, B. Epidermophyton, C. Microsporum, D. Candida', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Superficial infection Area affected Trichophyton involves Skin Hair Nail Microsporum involves Skin Hair But never nail Epidermophyton involves Skin Rarely nails But never hair', 'role': 'assistant'}]