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 tendency to think that others behave as oneself in a certain situation?
Options: <1> Perceptive selection. <2> Last attribution error. <3> False consensus. <4> Self-centered attribution error. <5> Confirmatory trends
Output:
3