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
All of the following hereditary conditions predispose to CNS tumors, except - 
Select and explain. 
A. Neurofibromatosis 1 & 2, B. Tuberous sclerosis, C. Von-Hippel-Lindau syndrome, D. Xeroderma pigmentosum
D: Xeroderma pigmentosum
Answer: D: Xeroderma pigmentosum 
Explanation: None