Anchor: The chief had to work nights, because he wasn't as skilled as his slight colleague from the far corner of the programmers' room.
Entailed: His colleague was more skilled than the chief himself was. 
Contradiction: He got to work day shift because he was the best in the business. 
Contradiction: They are in the mall.
Contradiction: Several witnesses said the man was found following his girlfriend with a firearm. 
Contradiction: A boy with a backpack is at the movies.
Contradiction: The revelation was not met with enthusiasm at all.