Anchor: A white-footed beagle plays with a tennis ball on a garden path.
Entailed: The beagle played with the tennis ball.
Contradiction: The beagle watched the tennis ball roll down the sidewalk.
Contradiction: He kept building card houses nonstop.
Contradiction: A man is looking at the ground.
Contradiction: It has no change of becoming a sustainable monopoly. 
Contradiction: Being harsh led my brother in law to chastise me.