Anchor: A boy in a red vest and white karate outfit is sparring with a boy in a blue vest.
Entailed: A boy is sparring with another boy at karate practice.
Contradiction: Two boys are fishing from a pier.
Contradiction: Someone was watching tv all day
Contradiction: Bill mail to homes is declining 
Contradiction: We wont eat turkey or casserole at thanksgiving.
Contradiction: The man is playing on a team.