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': 'White radiating lines buccal are characteristic of: \nSelect and explain. \nA. Leukoplakia, B. Erythroplakia, C. OSF, D. Lichen pianos', 'role': 'user'}, {'content': 'Answer: D \nExplanation: These are called wickhem’s Strae.', 'role': 'assistant'}]