Task: Text Categorization
Input (English): Question: In patients with digitalized congestive heart failure, when administering a diuretic, it must necessarily be: 
 Options:  <0> A loop diuretic or high ceiling. <1> A thiazide. <2> An osmotic diuretic. <3> A potassium-sparing diuretic. <4> A diuretic carbonic anhydrase inhibitor.
Output (English): pharmacology