This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S., Subject name: Pediatrics
[{'content': 'Increased fetal hemoglobin is seen in: \nSelect and explain. \nA. Juvenile CML, B. Congenital red cell aplasia, C. Hereditary spherocytosis, D. AML', 'role': 'user'}, {'content': "Answer: A \nExplanation: a. Juvenile CML(Ref: Nelson's 20/e p 2442-2443, Ghai 8/e p 605-607)Increased hemoglobin F for age is a feature of JMML or Juvenile CML.", 'role': 'assistant'}]