Anchor: A person doing a trick on a bike
Entailed: A person is doing a bike stunt.
Contradiction: A pro skater is performing.
Contradiction: We opened it and saw the entire contents of that.
Contradiction: Workshare has different meanings that depend on the context of how the word is used.
Contradiction: In ancient times, an Anglo-Saxon prophecy claimed that the world would endure even if Rome fell.
Contradiction: A band is performing.