Anchor: The black and white dog is sniffing the butt of the brown dog that is on a leash.
Entailed: The dog sniffs the other dog's butt.
Contradiction: The dogs are sleeping on a rug.
Contradiction: The CNN coverage was horrible.
Contradiction: Katherine is angry. 
Contradiction: Your growing season is about to start next month. 
Contradiction: Two males wearing different outfits.