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: Which of these components is not common in cognitive-behavioral therapies for panic disorder ?: 
 Options:  <1> Behavioral activation <2> Interoceptive exposure. <3> Behavioral experiments <4> Training in breathing. <5> Cognitive restructuring.
