Anchor: Two people wearing backpacks cross a rickety chain bridge, which is above a flowing river.
Entailed: Two people are wearing backpacks.
Contradiction: The two people are sitting on the couch.
Contradiction: If they have questions, they won't be able to ask.
Contradiction: Cod met with a private specialist of neutral medicine. 
Contradiction: We worked with many agencies but did not want to deal with the IRS.
Contradiction: A girl was sitting on the swing.