Anchor: Two dogs fighting, one is black, the other beige.
Entailed: Two animals are fighting.
Contradiction: Two dogs are sitting in the shade on a porch.
Contradiction: Don't read it because I don't think you'll like it.
Contradiction: The blade was allowed to whip in. 
Contradiction: I was wrapped up in doing Bill Sikes's business.  
Contradiction: Men are riding horses.