Anchor: A skateboarder in a black t-shirt and jeans skating threw the city.
Entailed: A person rides on a skateboard.
Contradiction: A man is riding a bicycle.
Contradiction: The AIDS crisis confronted America in the late 60s.
Contradiction: The basis for what the Board concluded can be found in this appendix. 
Contradiction: Two men are riding bikes past some shops.
Contradiction: He is neither a bandido nor a spy.