Anchor: Two men are playing stick ball in a green valley.
Entailed: Two men are in the valley.
Contradiction: Two children are playing football.
Contradiction: No one is punished for crime in the U.S.
Contradiction: He was modestly known as Mr. Brown.
Contradiction: The barber seemed polite and straightforward, unlike many other barbers.
Contradiction: The Sarbanes-Oxley accounting reform law was enacted in 2002.