Anchor: He has insomnia, I believe, I said doubtfully. 
Entailed: I think he has insomnia.
Contradiction: I know he sleeps 12 hours every night!
Contradiction: Tuppence refused to raise her hands above her head, despite being ordered to do so, and was promptly shot and killed. 
Contradiction: Scenes from the Bible are depicted in the stained-glass windows.
Contradiction: I cannot see your viewpoint in this instance.  
Contradiction: A boy is sitting outside.