Anchor: Machinists at work with heavy machinery.
Entailed: Machinists are working.
Contradiction: Machinists are playing the piano.
Contradiction: Even if you smoke it up for days on end, it's still not going to appear in the test.
Contradiction: Do you know the company insurance?
Contradiction: A concert band is playing water polo.
Contradiction: They wanted you to show up, even if not on time.