Anchor: Four people are sitting on a rock in the middle of the ocean.
Entailed: Fout people are sitting in the middle of the ocean.
Contradiction: Six people laugh and sing on a cruise ship.
Contradiction: He should work on the foreground.
Contradiction: A person is performing janitorial duties.
Contradiction: A person in a blue hat goes swimming.
Contradiction: During transplantations, there is a big risk that the patient will not survive.