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': "Wood's Lamp used in - \nSelect and explain. \nA. Tinea pedis, B. Pityriasis versicolor, C. Sporotrichosis, D. All", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Pitryiasis versicolor", 'role': 'assistant'}]