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: By means of the angular methods used to evaluate the flow properties of a powder, it is determined: 
 Options:  <1> The ease with which the solid sets in motion. <2> The angle of repose. <3> The flow velocity <4> The resistance to displacement. <5> The density of the powder.
