Anchor: A young football team is on the field chasing a player from the other team who has the ball while the referee looks on.
Entailed: A football game is going on.
Contradiction: The football team are running laps in front of the cheerleaders.
Contradiction: I did not need to help her. 
Contradiction: The effect of weight on non-transportation expenses doesn't have a lot of data behind it.
Contradiction: Two women are sitting in a car.
Contradiction: So you noticed there was some salt on the tray?