Anchor: A naked man lies on the rocks near the water trapped in a net.
Entailed: The man is trapped in a net.
Contradiction: The man is swimming with his swim trunks on.
Contradiction: The rats were not helpful at all.
Contradiction: A woman is using her bicycle outside.
Contradiction: John had had enough of her freeloading in his home and wanted her out. 
Contradiction: A man and women are dancing together in fancy clothes.