Anchor: A constructions worker scratches his backside and stands with his backside towards the viewer observing a construction site.
Entailed: A contruction worker pretends scratching his back as he uses his back to block the sight of inspectors
Contradiction: Several men sit down and discuss the Superbowl game result, some happy others seem mad
Contradiction: It does not work.
Contradiction: The tennis player has recently touched the ball.
Contradiction: Several children are eating lunch at school
Contradiction: A barista is offering some drinks.