Task: Text Categorization
Input (English): Question: Peritoneal dialysis is a depurative technique that is characterized because: 
 Options:  <0> It is necessary to always administer heparin through the peritoneal catheter. <1> It is indicated in patients with respiratory problems of a restrictive type. <2> Does not produce significant hemodynamic alterations. <3> Requires daily and nightly solution exchanges every four hours. <4> Water and toxic substances are eliminated by ultrafiltration.
Output (English): nursery