Anchor: Two dogs play on the grass.
Entailed: Ther are animals outdoors.
Contradiction: The pets are sitting on a couch.
Contradiction: Is it true that poor people like sports more than wealthy people? 
Contradiction: I believe in capital punishment but I wouldn't want to be in a position to make that choice. 
Contradiction: The dog is playing in the water.
Contradiction: He wants us to ignore it.