This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Erythmato-Squamous and Lichenoid Eruption, Subject name: Skin
[{'content': 'Christmas tree arrangement of skin lesion is seen in? \nSelect and explain. \nA. P. versicolor, B. P. rosea, C. P. folliculitis, D. Tineacorporis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. (b) P. roseaRef: Rook's 8/e, p 38.81", 'role': 'assistant'}]