Anchor: Many sports people dressed in black swim wear, yellow cap and goggle boisterously swimming across a body of water with a surrounding plush vegetation.
Entailed: Some people are wearing black.
Contradiction: Nobody is wearing a yellow hat.
Contradiction: He avoided getting the scrap of sky anywhere near the second little sun for fear of what would happen.
Contradiction: There is a busy construction site.
Contradiction: I think Ask Jeeves is perfect and very reliable.
Contradiction: Some people are playing a sport.