Anchor: Nothing but the great danger through which they have passed could have brought these two proud souls together again." I looked at Poirot in silent amazement. 
Entailed: I did not say anything while I was looking at Poirot.
Contradiction: Someone said that those two souls could have come together even if they had never been in danger.
Contradiction: The magazine recommends walking every single day.
Contradiction: Men walk down the street.
Contradiction: Several people riding bikes with small flags from various multinational corporations.
Contradiction: "I decided not to take any risks either way."