Anchor: A brown dog is in an agility contest and running towards a blue tube.
Entailed: A brown dog is in a contest.
Contradiction: A black dog drools lazily.
Contradiction: A man walks down the sidewalk in Boston.
Contradiction: Iraq wants to raise oil prices.
Contradiction: The man has no arms.
Contradiction: You don't want to waste time going to the movies or money on the tickets, so the videos are worth it.