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: Microbiology
[{'content': "Coffee bean nuclei are seen in all of the following Except \nSelect and explain. \nA. Granulosa cell tumor, B. Follicular carcinoma thyroid, C. Brenner tumor, D. Langerhan's cell histiocytosis", 'role': 'user'}, {'content': "Answer: B \nExplanation: A nucleus with longitudinal groove gives it a coffee bean nuclei appearance and is seen characteristically inPapillary carcinoma thyroidBrenner tumorGranulosa cell tumorLangerhan's cell histiocytosis", 'role': 'assistant'}]