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: The angular methods for evaluating the flow properties of pulverulent solids allow the determination of the angle of repose parameter. A mixture of pulverulent substances presents a good or optimum flow if the values of this parameter (in degrees) are:
Options: <1> Over 40 <2> Between 45 and 55 <3> Between 38 and 45. <4> Over 37 <5> Near or under 25
Output:
5