Anchor: What third medium was there ”a medium so suitable for disguising the taste of strychnine that it is extraordinary no one has thought of it?" Poirot looked round the room, and then answered himself impressively. 
Entailed: Poirot was asking a question about what could cover up the taste of strychnine.
Contradiction: Poirot answered himself without looking at anyone or anything.
Contradiction: The kid is jumping up an down.
Contradiction: They said it was interesting.
Contradiction: The kids are having a pillow fight.
Contradiction: There is a woman performing a feat.