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': 'The number of cafe au lait macules as one of the diagnostic criteria for adult neurofibromatosis is \nSelect and explain. \nA. 1, B. 2, C. 4, D. 6', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer- D. 6l.5 cm orlarger in individuals past pubey0.5 cm or larger in individuals before pubey.', 'role': 'assistant'}]