Anchor: routes would impose large transaction costs on its customers to separate mail and to secure suppliers to deliver its remaining mail.
Entailed: The routes in question would end up in increased costs for the consumers.
Contradiction: They were glad to announce that the routes helped to lower costs. 
Contradiction: The man is throwing the computer out a window.
Contradiction: They are easy to target.
Contradiction: The soccer player is asleep on the field.
Contradiction: The kids are playing outdoors.