Anchor: A white dog runs on brown grass.
Entailed: A dog runs on the grass.
Contradiction: A cat runs after a bird.
Contradiction: Nothingcan measure the changes in particle visibility. 
Contradiction: those people that are dressed like indians were walking down the street
Contradiction: Notice of Proposed Rulemaking is a children's government book.
Contradiction: Tom DeLay is both the Majority Whip and from Texas.