Anchor: A man is standing in a boat on a river surrounded by trees.
Entailed: A man is floating on water.
Contradiction: A man is sitting in a canoe on a lake.
Contradiction: The Piazza Grande is the lowest point in town and is right next to the sewers.
Contradiction: A man is wearing a hat.
Contradiction: old mans are throwing the paper.
Contradiction: The social security tax is a pyramid scheme.