Anchor: A boy on a skateboard is riding on a slope.
Entailed: A boy is riding a skateboard on a slope.
Contradiction: A girl is riding a skateboard on a slope.
Contradiction: The little girl is playing a windpipe.
Contradiction: A woman is tanning in the sun.
Contradiction: A man and woman are sitting down on a bench by the sidewalk.
Contradiction: Some people are eating