Anchor: A dog in a yellow jersey is running a race.
Entailed: The dog is running
Contradiction: The dogs are playing poker.
Contradiction: I didn't know anyone of Latino ancestry in school.
Contradiction: Three children are in a house.
Contradiction: The impossibility of electronic privacy was disproved. 
Contradiction: While the Okayama Castle is black, there is a white castle in Himeji.