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: Unknown
Prader-Willi syndrome includes the following except- 
Select and explain. 
A. Congenital hypotonia, B. Obesity and hyperphagia, C. Mental retardation, D. Cafe-au-lait spots
D: Cafe-au-lait spots
Answer: D: Cafe-au-lait spots 
Explanation: Ans-DNote-Cafe de lait spot is seen in neurofibromatosis