Teacher: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'.
Teacher: Now, understand the problem? Solve this instance: Question: One of the following elements of cognitive-behavioral therapy for panic disorder (or panic disorder) has been especially questioned and its utility has been minimized. Indicate which:
Options: <1> Interoceptive exposure. <2> Education. <3> Live exhibition. <4> Training in breathing. <5> Cognitive restructuring.
Student:
4