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': "Bull's eye lesions are clinically seen in: \nSelect and explain. \nA. Lingually impacted 3rd molar., B. Erythema multiformae., C. Taurodontism, D. None of the above", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]