Anchor: They didn't know whether I'd changed the papers, or whether Danvers had been carrying a dummy message, while the real one was sent another way.
Entailed: They had no clue whether I had changed the papers or whether Denvers message was a decoy.
Contradiction: They knew where the real message was.
Contradiction: The gun was made famous by the rapper 50 Cent.
Contradiction: The kids are putting on a show.
Contradiction: No machine is expected to contain an optical character reader. 
Contradiction: Our proposal would not change the status quo of showing a preference for veterans.