Anchor: Two children enjoy tubing on the lake.
Entailed: Two kids on a lake are enjoying tubing.
Contradiction: Two children are sleeping in their beds.
Contradiction: A woman is running away.
Contradiction: He said he hadn't been followed.
Contradiction: Only the dumb go to the Cafe de Flore.
Contradiction: I watched him closely to see what his reaction would be, and was inclined to think he was acting for our benefit.