Anchor: A dog runs through a creek and spashes water.
Entailed: A dog is getting wet.
Contradiction: A dog is eating a frog in a creek.
Contradiction: A small terrier plays with a golf ball on the beach.
Contradiction: Huffington underwent a transformation so he is not like Buchanan any more.  
Contradiction: But Tommy had become lighthearted and began laughing easily.
Contradiction: Someone is driving.