Anchor: A doberman puppy is trying to put a very large blue rubber ball in this mouth
Entailed: A dog  is trying to put a very large blue rubber ball in this mouth
Contradiction: A doberman puppy is trying to put a very large red rubber ball in this mouth
Contradiction: A Nexis search showed 5368 hits.
Contradiction: A bowler at practice.
Contradiction: You say? Tommy nodded.
Contradiction: you know PBS.