Anchor: Two girls are going for a swim in a mountain lake.
Entailed: There are two people going for a swim.
Contradiction: A boy and a girl are having a romantic swim in the city river.
Contradiction: Two women are kissing.
Contradiction: By dying, they prevent the problem from happening.
Contradiction: The girl is sleeping on the floor.
Contradiction: Part of the result is more transactions at decreased costs.