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': 'All of the following hereditary conditions predispose to CNS tumors, except - \nSelect and explain. \nA. Neurofibromatosis 1 & 2, B. Tuberous sclerosis, C. Von-Hippel-Lindau syndrome, D. Xeroderma pigmentosum', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]