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': 'Geographic tongue, all are true except: \nSelect and explain. \nA. Lesions may be Bilaterally symmetrical on tongue, B. No treatment is required, C. Is a Precancerous condition, D. May be related to emotional stress', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]