Task: Text Categorization
Input (English): Question: Woman, 63 years old, in treatment for bone cancer. He has intense pains so he uses morphine daily. Faced with complaints of constipation, it is proposed as a laxative of choice: 
 Options:  <0> Methylcellulose <1> Glycerin. <2> Loperamide. <3> Methylnaltrexone <4> Racecadotril.
Output (English): pharmacology