Task: Text Categorization
Input (English): Question: Which of the following antidiabetics acts by inhibiting DPP-4 and prolonging the duration of the endogenous incretins GLP-1 and GIP ?: 
 Options:  <0> Glimepiride <1> Repaglinide. <2> Sitagliptin <3> Rosiglitazone. <4> Tolbutamide
Output (English): pharmacology