Anchor:  Overhead, the sky shattered with a roar, and another piece fell, tearing downwards toward the city.
Entailed: Overhead, the sky collapsed loudly, and another piece tore off.
Contradiction: Overhead, the sky remained intact, and not another piece fell.
Contradiction: Hello!
Contradiction: The person looks cautiously into traffic to be sure no car is coming before making their move
Contradiction: The folk are too lazy to do something.
Contradiction: The men are doing art.