Anchor: A group of people jumping into the air at the beach.
Entailed: The crowd of people are in the waterfront jumping.
Contradiction: The group of people are playing beach volleyball.
Contradiction: I have determined conclusively that Tuppence did actually drown.
Contradiction: Bounty hunters sometimes abuse their power 
Contradiction: Number one contains just one key assumption incorporated. 
Contradiction: Two people are getting haircuts.