Anchor: Two go-cart drivers are racing on the racetrack.
Entailed: Go-carts are on a racetrack.
Contradiction: Two bikes are racing on a race track.
Contradiction: No one will discuss the actions taken on the comments received. 
Contradiction: The girls are not at their home.
Contradiction: A man is laying on a beige rug laughing.
Contradiction: A person walking outside.