Anchor: A white-haired man and a brown hair lady are walking together and holding hands.
Entailed: A man and lady are walking.
Contradiction: A man and woman are visiting a museum.
Contradiction: The new buildings are only libraries.
Contradiction: A minor clerical error can tie up an appeal for two years and it's bogging down the whole system.
Contradiction: A man and his dog swim across a river.
Contradiction: I read a few cases about people getting sued when they first tried that.