Anchor: A skateboarder attempts a trick on the side of a low wall.
Entailed: The skateboarder does tricks.
Contradiction: The skateboarder attempts a trick on a park bench.
Contradiction: Its foundation was made in 1140, while the structure itself was built in the third century.
Contradiction: The lady in all black is standing outside on the sidewalk looking at her mp3 player.
Contradiction: The young man is outside skateboarding.
Contradiction: It has a sharp flavor.