Anchor: There had been nothing the night before but a skin of water.
Entailed: There had been some water and nothing else the night before.
Contradiction: They had eaten a sumptuous feast the night before.
Contradiction: A white dog is running on the grass.
Contradiction: Two people are standing next to each other with a building in the background.
Contradiction: Three men are walking on the beach.
Contradiction: The bird descended from the sky.