Anchor: The atomic bombs, returned the Astronomer, "need not be the end of civilization.
Entailed: The Astronomer believed that atomic bombs didn't have to spell the end of the world.
Contradiction: The Astronomer said that atomic bombs were inevitably the end of civilization.
Contradiction: Two cats are walking by the stream.
Contradiction: The crowd sat at tables in the venue.
Contradiction: the women and the man are sitting down at the stoplight
Contradiction: Musicians are playing for the community.