Anchor: A boy is performing a trick on his skateboard beneath white clouds and a blue sky as four sitting guys watch him.
Entailed: A boy is doing tricks on his skateboard.
Contradiction: A boy rides his bicycle in the park alone.
Contradiction: A bird sleeps
Contradiction: five people at an aquariam watching the fish
Contradiction: A boy is racing his bicycle.
Contradiction: A boy is floating off into space on his skateboard.