Anchor: The skateboarder in the white shirt balances on the ledge as the others look on in the background.
Entailed: People are watching a person ride a skateboard.
Contradiction: The skateboarder fell off his skateboard
Contradiction: The skateboarder is wearing a red shirt and doing an ollie at the park.
Contradiction: The person is rollerblading.
Contradiction: There is no people outside.
Contradiction: the man is weeding a farm