Anchor: A small brown and white dog chases a white ball over the grass.
Entailed: The dog is outdoors.
Contradiction: The dog cannot find it's ball.
Contradiction: Despite winning first place in the contest, the product did not increase its MSRP at all.
Contradiction: Someone is stepping on a man's hand
Contradiction: My roommate does not breed pets on the side.  
Contradiction: It's as versatile as I remember.