Anchor: These have a public purpose, captured in the Irish poet William Butler Yeats' lines about the best-known Sistine  That girls at puberty may find/ The first Adam in their thought.
Entailed: Yeats was an Irish poet.
Contradiction: Yeats was a Chinese chef.
Contradiction: She stood perfectly still, not moving at all. 
Contradiction: He winked at me like he understood.
Contradiction: The men are sitting down.
Contradiction: The ground is covered in snow.