Anchor: What makes you think there was salt in it? asked Poirot. 
Entailed: What gives you the idea that it contained salt? asked Poirot.
Contradiction: What kind of salt should we add to it? asked Poirot.
Contradiction: The female was the one who shot the gun at the male but she hit the car.
Contradiction: There are men staring at a computer.
Contradiction: "He guesses" Mrs. Vandemeyer eyed him with love.
Contradiction: The animals are in the water.