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: Within the Psychological Evaluation, the Self Registers, as a strategy to obtain information, how can they be considered?
Options: <1> As a type of Experimental technique. <2> As a type of Self-reports. <3> As a modality of objective techniques. <4> As an Observational technique. <5> As a modality of the Semantic Differential of Osgood.
Output:
2