Definition: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Input: Question: Williams-Beuren syndrome is characterized by a microdeletion of the long arm of the chromosome: 
 Options:  <1> Four. <2> 22 <3> fifteen. <4> 17 <5> 7
