Anchor: A man in a canoe sits on a placid lake surrounded by lush green foliage.
Entailed: A man sits in a canoe on a lake.
Contradiction: A man is sitting on a yacht
Contradiction: A man is taking a shower, after a hard day of work.
Contradiction: A man is in the water after overturning his canoe in rough water.
Contradiction: A man is sitting in a boat on a river.
Contradiction: The man is swimming in an ocean.