Anchor: We know the coco contained no strychnine. 
Entailed: It is known that the coco contained no strychnine.
Contradiction: it is certain that the coco contained strychnine
Contradiction: They did not have any light truck standards.
Contradiction: A woman in orange is walking outside.
Contradiction: They can show you the tracks, but that won't be of much help.
Contradiction: A donkey is pulling a load.