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: For Kurt Lewin the set of elements that influence the behavior of an individual at a given time make up:
Options: <1> The living space <2> The place of control of the reinforcement. <3> Cognitive maps <4> Cognitive dissonance <5> The process of organic valuation.
Output:
1