Anchor: A man is sitting on a bicycle laden down with boxes.
Entailed: There is a bicycle, a man and some boxes.
Contradiction: A man sits in a car.
Contradiction: Yes, That is what you mean.
Contradiction: The branch has leaves.
Contradiction: An alien is on her cellphone.
Contradiction: That is, the underlying question may call for a broader look at the issue, even though the job may be presented to us as if only that situation is of concern.