Task: Text Categorization
Input (English): 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:  <0> Over 40 <1> Between 45 and 55 <2> Between 38 and 45. <3> Over 37 <4> Near or under 25
Output (English): pharmacology