Anchor: Two little boys and a little girl sit on a purple couch.
Entailed: kids on a purple couch
Contradiction: That couch is going to break
Contradiction: A child plays on the tracks as a train recedes in the distance.
Contradiction: There is a man sitting.
Contradiction: a person  sits in a building watching others go about their days
Contradiction: I disagree with certain trial sentencing situations.