This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': "Tumarkin's crisis is said to be a variant of \nSelect and explain. \nA. Glue ear, B. Meniere's disease, C. CSOM, D. Otosclerosis", 'role': 'user'}, {'content': 'Answer: B \nExplanation: .', 'role': 'assistant'}]