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': "Wickehm's stria seen in - \nSelect and explain. \nA. Lichen niditus, B. Lichenoid eruption, C. Lichen striates, D. Lichen planus", 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Lichen Planus', 'role': 'assistant'}]