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: What is the approach proposed by the relationship model between therapist and client as expert to expert ?: 
 Options:  <1> The behavioral model. <2> The constructivist perspective <3> The psychoanalysis. <4> The strategic school. <5> The therapy centered on the client.
