Instructions: 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 model of Family Therapy states that the change occurs when the pathological family game is replaced by another less harmful game?
Options: <1> Therapy of the group of Milan. <2> Palo Alto MRI Therapy. <3> Therapy focused on solutions. <4> Structural therapy <5> Strategic therapy
Output:
1