Anchor: Two puppies jump from a concrete slab onto the grass.
Entailed: The animals are outdoors.
Contradiction: The puppies are sleeping on the couch.
Contradiction: He would not kill the person, jail or not.  
Contradiction: A man rock climbing.
Contradiction: Excise taxes are very different from benefit taxes.
Contradiction: A group of teenagers sitting together in a geometrical shape with a person in the middle.