Anchor: A black greyhound, with a green and white jersey(# 7) is running on a track.
Entailed: A black dog is racing.
Contradiction: A black dog does not have any limbs.
Contradiction: Kimonos are cheap if they are made of silk.
Contradiction: That is tough. 
Contradiction: The construction worker walks by a crane working on the building.
Contradiction: It is possible for them to do anything to a prisoner.