Anchor: A white dog tries to catch a tennis ball high in the air.
Entailed: The dog is jumping.
Contradiction: The dog is not white at all.
Contradiction: a man is laying at the beach
Contradiction: A girl is modeling.
Contradiction: I'm thinking about a lot of different scenarios.
Contradiction: A competition to see who gets to jump on the grenade to save the others--this is the kind of behavior you can expect from the brave battalion of heroes that you might end up with.