Anchor: Two men t-shirts are working on a mechanical device.
Entailed: the men are fixing a mechanical device
Contradiction: the women are working on a mechanical device
Contradiction: There was no national circus in Egypt until the year 2000.
Contradiction: The country has first world productivity and third world wages yet is still running a trade deficit.
Contradiction: The child is in a swimming pool.
Contradiction: That could be the secret to the prophecy.