Anchor: There was no strychnine present." I heard Poirot chuckle softly beside me. 
Entailed: None of the drug was found.
Contradiction: A lethal amount of strychnine  was found.
Contradiction: People are on the sofa watching TV.
Contradiction: Do you go for a week at a time or only weekends?
Contradiction: One hundred million if we account for the plane sponsor responses.
Contradiction: The Urakiai Catholic Church was once the largest church in Asia.