Anchor: A man jumps off of a dock and into the water.
Entailed: A single man dives into the water.
Contradiction: A man jumps off of his dock and into the sand.
Contradiction: Students at MIT are more stupid than those at LSU.
Contradiction: Facility acquisition is affected by design reviews.
Contradiction: The man is crawling through a cave.
Contradiction: I call after I'm sure no one will call me.