This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
[{'content': "Fluctuating deafness is seen in: \nSelect and explain. \nA. Otosclerosis, B. Meniere's disease, C. Acute otitis media, D. Benign paroxysmal positional vertigo", 'role': 'user'}, {'content': "Answer: B \nExplanation: (b) Meniere's disease(Ref. Cummings, 6th ed., 2331)In otosclerosis there occurs progressive deafness. AOM shows temporary deafness. There is no deafness in BPPV.", 'role': 'assistant'}]