Anchor: A girl performs skateboarding tricks in an arena for skateboarders, while wearing a helmet.
Entailed: A girl skateboarding.
Contradiction: A boy draws on the sidewalk with chalk.
Contradiction: They went on their way, having assumed their key was lost forever.
Contradiction: A man is dressed in a green shirt and is hugging a child while someone smiles.
Contradiction: A boy is holding a tripod in the air, screaming "this is sparta!"
Contradiction: The men are tired.