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: In which of the following anxiety disorders is a therapist more likely to use interoceptive exposure as a psychological treatment technique? 
 Options:  <1> Obsessive-compulsive disorder <2> Generalized anxiety disorder. <3> Panic disorder (or panic disorder) <4> Post-traumatic stress disorder. <5> Social phobia.
