Anchor: It took him clear effort to crawl back.
Entailed: Crawling back was difficult.
Contradiction: He could walk back unscathed.
Contradiction: the boy is climbing trees near a creek
Contradiction: Some people are at a car wash.
Contradiction: "Don't worry about the risings, Bork, you've got plenty of time," He said.
Contradiction: Do you know what I'm thinking, child? asked the man quietly without sarcasm or anger.