Anchor: At the rodeo a cowboy rides a horse.
Entailed: A person is on an animal.
Contradiction: The person is flying a plane.
Contradiction: The man drank the soda and died, then he came back as a zombie and became president.
Contradiction: You save a significant amount.
Contradiction: You're getting three things at once. 
Contradiction: A man is kicking a soccerball.