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': "Koebner's phenomenon is seen in all EXCEPT: \nSelect and explain. \nA. Psoriasis, B. Pemphigoid, C. Warts, D. Lichen planus", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. B. Pemphigoida. Koebner's phenomenon is seen in:i. Psoriasisii. Wartsiii. Lichen planusb. Koebner's phenomenon is also called isomorphic response.", 'role': 'assistant'}]