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: Pathology
[{'content': 'Premalignant lesion of oral cavity includes \nSelect and explain. \nA. Lichen planus, B. Erythroplakia, C. Bowen disease, D. Behchet disease', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer- B. ErythroplakiaPremalignant condition: - Leukoplakia, Erythroplakia, Speckled erythroplakia, chronic hyperplastic candidiasis.', 'role': 'assistant'}]