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': 'A 30 yr old female presents with history of itching under right breast. On examination annular ring lesion was present under the breast. The diagnosis is: \nSelect and explain. \nA. Trichophyton rubrum, B. Candida albicans, C. Epidermophyton, D. Microsporum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Trichophyton rubrum', 'role': 'assistant'}]