Anchor: The boy is jumping a skateboard down the steps, surrounded by graffiti covered walls.
Entailed: The boy is jumping a skateboard.
Contradiction: The girl is jumping a skateboard.
Contradiction: Customers in a computer store.
Contradiction: That's right and it's your actions later. 
Contradiction: The man is using a gardening tool.
Contradiction: We are richer and that can be used against us by various leaders because of the envy and resentment others have.