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: Point out the correct answer regarding therapy for Rehm's depression:
Options: <1> It focuses on three processes: self-tracking, self-esteem and self-reinforcement. <2> It has no empirical evidence to be considered well-established treatment. <3> Each of its components separately have been shown to be as effective as the complete treatment. <4> It presents a strong cognitive component. <5> It has been shown superior to interpersonal therapy and problem solving.
Output:
3