Anchor: Four musicians performing on the street.
Entailed: A group of people are using musical instruments.
Contradiction: A person is driving in the street.
Contradiction: Chemical weapons are not part of the President's proposal although he does think highly of Anthrax.
Contradiction: My wife has two sisters that live in San Antonio.
Contradiction: He had no idea which buildings would burn quickly.
Contradiction: A dog jumps in the air