Anchor: Four cheerleaders at a basketball game dance at half-court during a break in the game.
Entailed: Four cheerleaders dance during a break in the game.
Contradiction: Four cheerleaders were sitting and watching the crowd.
Contradiction: I don't know whether the laws to keep people from hiring legal immigrant is working or not. 
Contradiction: The worker is standing
Contradiction: A person is preparing his yearly tax returns
Contradiction: He would then produce his flawless alibi, and be acquitted of the crime.