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: When the person only observes the behavior of the model and learns its behavior or patterns of action, without reproducing it during the training session, what type of modeling is it? 
 Options:  <1> Modeling in vivo. <2> Participant modeling <3> Symbolic modeling <4> Passive modeling <5> Modeling self-instructions.
