Among the most important work that GAO has done are reviews related to the Year 2000 (Y2K) computing challenge.
The GAO has never done any reviews in relationship to the Year 2000 (Y2K).
mnli hypothesis: The GAO has never done any reviews in relationship to the Year 2000 (Y2K). premise: Among the most important work that GAO has done are reviews related to the Year 2000 (Y2K) computing challenge.