Anchor: Two BMX riders are racing around a bumpy track.
Entailed: They are riding bikes.
Contradiction: The track is smooth.
Contradiction: Three boys are wearing indian facepaint and playing tomahawk.
Contradiction: The players and fans are on the field and in the seats.
Contradiction: I made sure to avoid his gaze as we passed by each other. 
Contradiction: A gentleman stands in a snowy landscape.