Anchor: This methodology transfer paper on case study evaluations describes how GAO evaluators could use case study methods in performing our work.
Entailed: Case studies could be used by GAO to perform work.
Contradiction: These case studies are not useful to the GAO.
Contradiction: Microsoft is in total control and not threatened by anyone. 
Contradiction: I think I'd better close now.
Contradiction: I can tell you that deregulation will cause more efficient electricity service.  
Contradiction: Liberals, conservatives, cynics and true believers shared the same feature.