Anchor: A man in blue shorts is riding in a paddle boat.
Entailed: A man is in a boat.
Contradiction: A man is on shore.
Contradiction: We have no material to create supports for the sky material.
Contradiction: Besides adding some peripheral devices, I have never changed the one I have always had.
Contradiction: Tams are only seen in a few places. 
Contradiction: A man is observing the lake water.