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: Medicine
[{'content': "Di Guglielmo's disease refers to which of the following conditions? \nSelect and explain. \nA. Megakaryoblastic leukemia, B. Erythroleukemia, C. Monocytic leukemia, D. Myelomonocytic leukemia", 'role': 'user'}, {'content': "Answer: B \nExplanation: According to the French-American-British (FAB) Classification of AML di Guglielmo's disease refers to M6 variety: Erythroleukemia. Ref:Harrisons Principles of Internal Medicine, 18th Edition, Page 906", 'role': 'assistant'}]