Text: At the same time, GAO's work over the years, most prominently in our High-Risk and Performance and Accountability Series, has amply documented that many agencies suffer from a range of long-standing management challenges and a lack of attention to basic stewardship responsibilities,
Entailment: It is well documented by the GAO that many agencies have problems with basic stewardship.
Contradiction: The GAO found that there were no problems with any agencies.