Premise: (1) conducted extensive Internet and literature searcHe's to identify actions that each had taken to reduce improper payments, (2) made site visits to interview representatives involved in identifying and taking actions to reduce improper payments, and (3) obtained and reviewed organization reports and other documentation describing the actions taken, the results of those actions, and future plans in the area.

Hypothesis: Site visits were made in order to conduct interviews related to improper payments.
Relation: entailment