Anchor: One, two, three, go!" Tuppence's little thumb ripped open the envelope, and she extracted the contents.
Entailed: Tuppence ripped open the envelope.
Contradiction: Tuppence was not able to open the envelope.
Contradiction: People sit quietly with their hands in their laps.
Contradiction: A dog in the snow.
Contradiction: There is plenty of evidence in this instance.
Contradiction: The person is by a body of water.