Anchor: A person doing a skateboard flip next to a black trashcan.
Entailed: A person does skateboard tricks.
Contradiction: A person rides a bicycle near a trash can.
Contradiction: A skateboarder is going through a trashcan for food.
Contradiction: The skateboard is made out of oreo cookies from the trashcan.
Contradiction: Someone is riding a bike.
Contradiction: They are sitting on the grass.