This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Superficial Mycoses, 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: Ans. is 'a' ie Trichophyton rubrum The findings of itchy annular ring lesions on the trunk point towards the diagnosis by Tinea corporis.Though Tinea corporis can be caused by all the three - Trichophyton Epidermophyton and Microsporum; Trichophyton rubrum is the most common cause.", 'role': 'assistant'}]