Anchor: As spectators watch, a man dressed in a cowboy outfit rides on the front of a long yellow tractor.
Entailed: a man in a cowboy outfit rides on a yellow tractor
Contradiction: the man is riding a big red tractor in a tuxedo
Contradiction: She liked grass growing under her.
Contradiction: Two people are good snowboarders.
Contradiction: My plan of keeping the good ones is still private and secret. 
Contradiction: It is a question of ideas.