Anchor: Changing the federal policy on frequent flyer miles would have some disadvantages for the government.
Entailed: Changing federal policy on frequent flyer miles would have no advantages 
Contradiction: Change in frequent flyer mikes would be great 
Contradiction: Company size and complexity was of no interest when selecting private sector companies.
Contradiction: Two men are on a bench.
Contradiction: Two boys with their iphones
Contradiction: She is the only person who knows whether or not the door was locked.