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: Which of the following tests aims to determine the loss of mass of the tablets by abrasion processes? 
 Options:  <1> Hardness. <2> Disintegration <3> Friability. <4> Dissolution. <5> Uniformity of mass.
