Anchor: A dog is running to catch a tennis ball.
Entailed: A dog is running to catch a ball.
Contradiction: A cat is running to catch a tennis ball.
Contradiction: Two men are playing basketball.
Contradiction: I stopped playing as much, when I came down here.
Contradiction: A man is hungry and wants to eat her sweatshirt
Contradiction: I didn't want to bring five reptile corpses to the dump at night that was across town.