Anchor: Most recently, we have successfully managed the Y2K transition.
Entailed: The Y2K transition has been successfully managed.  
Contradiction: We have not managed the Y2K transition successfully.  
Contradiction: so you only eat that food one day a week
Contradiction: The Integrated Planning Model is IPM and is used by the Environmental Protection Agency to analyze projected impact of the policies that are about the environment.
Contradiction: the man is a dancer.
Contradiction: A man is doing yardwork.