Task: Question Answering
Input (English): Question: Retentive encopresis is characterized by: 
 Options:  <1> Absence of constipation <2> Being significantly more frequent than non-retentive encopresis. <3> Decreased rectal accommodation. <4> Being associated with alterations in the perception of rectal distension. <5> Decrease in the contractile capacity of the external anal sphincter.
Output (English): 2