Anchor: Two people are interacting with a dog that has bitten an object one of them is holding.
Entailed: The dog didn't bite the people.
Contradiction: The people are interacting with a cat.
Contradiction: The pitcher can do covert hand signals.
Contradiction: The dog runs as fast as it can.
Contradiction: That's right; a lot of people find time to read books these days.
Contradiction: The rocks have sharp angles