Anchor: A group of people are sitting at a picnic table drinking while some are making faces.
Entailed: A group of people are sitting around a picnic table.
Contradiction: A group of friends are sitting around a cafeteria table.
Contradiction: A girl is watching clowns at a circus.
Contradiction: Drew entered and saw two lit lanterns hanging from pegs along the center of the stable, as Callie climbed upon a barrel to put up one more. 
Contradiction: Uniformity or comparability of data should be of the leas concern.
Contradiction: Colorado is beautiful.