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: Kinesin and dynein are: 
 Options:  <1> Adhesion proteins. <2> Microtubular motors. <3> Degradative enzymes <4> Components of the vesicular cover. <5> Transcriptional factors.
