Anchor: Three guys and a girl are all jumping in a pool together.
Entailed: The people are all jumping into a body of water.
Contradiction: The people are all climbing out of the water.
Contradiction: All human action is motivated by desire to know or improve mankind, it is not driven by base motives.
Contradiction: The people are outdoors.
Contradiction: It's very clear to me how I should handle this situation. 
Contradiction: The buildings are usually made from concrete.