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: Skin
[{'content': 'Treatment of tinea unguium \nSelect and explain. \nA. Fluticasone, B. Itraconazole, C. Oleamine oil, D. All', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Itraconazole', 'role': 'assistant'}]