Anchor: A man in a green sheet is in midair on a green-wheeled skateboard at a skateboard park.
Entailed: A man in green is skateboarding.
Contradiction: A man in a blue shirt is riding a skateboard on the sidewalk.
Contradiction: A man sits in a chair.
Contradiction: There are people outside at night.
Contradiction: There is nobody on the railroad track.
Contradiction: There isn't much sense in this writing.