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': 'Stomatitis areata migrans is: \nSelect and explain. \nA. Fissured tongue., B. Geographic tongue., C. Median rhomboid glossitis., D. Aguesia.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Erythema migrans:\nSynonyms for benign migratory glossitis are:\n\nGeographic tongue.\nWandering rash of tongue.\nGlossitis areata exfoliativa.\nErythema migrans.\nStomatitis areata migrans.', 'role': 'assistant'}]