Anchor: The average labor cost per bargaining unit employee in 1989 was $24.
Entailed: Each bargaining unit employee cost an average of $24 in labor during 1989.
Contradiction: The average labor cost of a bargaining unit employee was over $30 in 1989.
Contradiction: Stars are nothing like our sun even though they are both nearby.
Contradiction: There is a man and an animal in this picture.
Contradiction: Still. 
Contradiction: The man in the marathon is running down the street.