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': 'Increased LAP score is seen in: \nSelect and explain. \nA. Chronic myeloid leukemia, B. Myelofibrosis, C. PNH, D. Megaloblastic anemia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]