Anchor: Growers must replace H-2A workers with any U.S. worker who applies for the job before half of the season is over.
Entailed: Growers have to replace H-2 A workers with U.S workers before half the season is over.
Contradiction: Growers do not have to replace their H- 2 A workers. 
Contradiction: The non-female artist is sad, and she is not smiling.
Contradiction: He hear Bork and Karf behind him.
Contradiction: A family is gathered around a tree.
Contradiction: Tuppence said, "That's it!" and went upstairs.