Anchor: Two hockey players, one in white and one in black, line up for the face-off.
Entailed: There are at least two people playing hockey.
Contradiction: The hockey players are wearing red and green.
Contradiction: A boy whistling while he walks down the sidewalk.
Contradiction: The dog is running across the snow.
Contradiction: A ma throws a ball to his dog.
Contradiction: The person is showing affection towards the dog.