Anchor: Then, in a further burst of anger, he swung off the trail.
Entailed: He swung off the trail due his anger.
Contradiction: He didn't swing from the trail, but he was at least calm.
Contradiction: Wolf made no effort to appear to be earning her money. 
Contradiction: Two men are talking
Contradiction: A dog is sitting in a girl's lap.
Contradiction: Data utilized in the analysis is explained in the Appendix.