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': 'Syndrome associated with AML and ALL \nSelect and explain. \nA. Down syndrome, B. Turner syndrome, C. Noonan syndrome, D. Klinefelter syndrome', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]