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: Skin
[{'content': 'Pseudo-isomorphic phenomenon is seen in ? \nSelect and explain. \nA. Psoriasis, B. Lichen planus, C. Vitiligo, D. Molluscum contagiosum', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Molluscum contagiosum", 'role': 'assistant'}]