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': 'Tinea versicolor is caused by: \nSelect and explain. \nA. Malassezia furfurCandida, B. Candida, C. Trichophyton rubra, D. Trichophyton mentagrophyte', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Malassezia furfur', 'role': 'assistant'}]