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: After ventricular systole, the volume of blood in the ventricle is: 
 Options:  <1> Zero. <2> The telesistolic. <3> The systolic. <4> The end-diastolic. <5> Greater in the right ventricle than in the left.
