Anchor: Two people dive headfirst into the water.
Entailed: Two people dove into the water.
Contradiction: The two people did a belly flop into the water.
Contradiction: A prisoner exercises in the yard.
Contradiction: A woman is messing with her bicycle outdoors next to a wall.
Contradiction: A yellow building with a zebra next to it.
Contradiction: Demonstrating reliability before production lowered the chance of design alterations.