Anchor: GAO has been asked by several federal agencies to review electronic signature systems used in financial management systems and to discuss how such systems should be evaluated.
Entailed: GAO has been asked by several federal agencies for review.
Contradiction: the GAO is not a real organization.
Contradiction: The challenges have been set to a limit.
Contradiction: Is it possible to live in New York on $32500.
Contradiction: It is not useful for measuring program performance.
Contradiction: People are walking down a city sidewalk.