This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Dental
[{'content': '"Interface dermatitis" is histological feature of \nSelect and explain. \nA. Psoriasis, B. Lichen planus, C. Pityriasis rosea, D. Dermatophytosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: .', 'role': 'assistant'}]