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: The number of Barr corpuscles of the cells of a man with karyotype 48, XXXY is: 
 Options:  <1> two. <2> one. <3> 0 <4> 3. <5> Four.
