Anchor: But she was very good to us Belgians, I owe her a debt." I endeavoured to interrupt, but Poirot swept on. 
Entailed: She was very friendly to Belgians and I owe her.
Contradiction: She didn't help Belgians at all.
Contradiction: The group consisted of all Germans.
Contradiction: There is a women cooking
Contradiction: Savings could not be had by looking at sample error rates. 
Contradiction: We work so hard because we are determined to get ahead.