This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Papulosquamous Disorders, Subject name: Skin
[{'content': 'Annular herald patch is seen in: \nSelect and explain. \nA. Psoriasis, B. Nocardiasis, C. P. alba, D. P. rosea', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. d. P. roseaHerald patch is first patch seen over trunk in pityriasis rosea', 'role': 'assistant'}]