Anchor: Vouchers, passes, letters of introduction, and printed business cards all work like magic when a confirmed reservation has become unconfirmed. 
Entailed: It's important to always keep vouchers and passes in case your reservation has been cancelled for no reason.
Contradiction: Vouchers are useless if your reservation has been unconfirmed.
Contradiction: He didn't quit the Giants, he quit the Dolphins.
Contradiction: girls on the beach
Contradiction: There is no merit in spending time with the Air Force and future officers.
Contradiction: A band of four playing music.