Anchor: Two older gentlemen sit behind a front desk that is at chest height on one and mid-torso height on the other.
Entailed: The men are different heights.
Contradiction: The men are sitting on the sofa.
Contradiction: David Cook is a law student.
Contradiction: a group of women are rollerblading.
Contradiction: They can be found in dry places or on top of bricks. 
Contradiction: The man has a camera.