Anchor: a young boy skateboarder jumping on a platform on a skateboard.
Entailed: A boy is on a skateboard.
Contradiction: A boy fell on the ground.
Contradiction: A young girl enjoyed rollerblading on the ramps at the skatepark.
Contradiction: The boy is using a hoverboard.
Contradiction: The boy is at a dog show.
Contradiction: The girl was playing basketball.