Anchor: One guy in water sports gear is surfing on the water.
Entailed: The man is prepared for the water.
Contradiction: The man is on land
Contradiction: The ACI technology does not reduce mercury use.
Contradiction: The tabs are familiar with the misery of people you are unaware of. 
Contradiction: a man and woman race cows in a field during war
Contradiction: A glazier at work.