Anchor: In 2000, gross national saving as a share of GDP was 18.
Entailed: In the year 2000, the total national saving as a part of GDP was 18.
Contradiction: The gross national saving as part of GDP was 36.
Contradiction: A man is sleeping in his bed
Contradiction: A police officer was on a corner that he passed.
Contradiction: The requirement goes into effect regardless of approval. 
Contradiction: They found that cars without air bags are at a lower risk than those with air bags.