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: Microbiology
[{'content': 'Pityriasis versicolor is caused by? \nSelect and explain. \nA. E. floccosum, B. M. gypseum, C. M. furfur, D. T. tansurans', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., M. furfur", 'role': 'assistant'}]