Anchor: In terms of Pareto optimality, it appears that a change from the current position imposes large losses on some mailers, large gains on others, and relatively small net gains.
Entailed: The a differing of the current implementation can lead to large gains on some mailers and large losses on others. 
Contradiction: There would be significant gains across the board for each mailer should the current position be adjusted. 
Contradiction: the frogs eat birds
Contradiction: A young girl takes her fishing rod over the fence.
Contradiction: Pilgrims never worshiped at this site.  
Contradiction: Television has a tendency to rot your mind.