Anchor: A man waring a polo shirt fixes a ticket machine while persons line up at an adjoining machine.
Entailed: The man is fixing a machine.
Contradiction: The man is working on a bike.
Contradiction: A man is fixing a refrigerator.
Contradiction: A car driving alone.
Contradiction: A man wearing a polo shirt doesn't care about fixing the ticket machine.
Contradiction: A man with no shirt on fixes a ticket machine