Anchor: Four young teens having fun at a cookout.
Entailed: Four teens at a cookout.
Contradiction: Four teens having a miserable time at a cookout.
Contradiction: Only truly americans won't recycle in the name of the country
Contradiction: Java programs can be run in a virtual machine.
Contradiction: The result is not good.
Contradiction: "I was convinced once I knew that John Cavendish was interested in Mrs. Raikes."