Anchor: A man and woman are on a gray and white rowboat.
Entailed: There are people on a rowboat.
Contradiction: A man and woman are running.
Contradiction: 2 men go snorkeling in the lake
Contradiction: A man and a woman are swimming in a lake.
Contradiction: Ducks try to climb a moderately sized hill.
Contradiction: A couple are enjoying their night at a restaurant.