Text: Finally, its share of total First-Class Mail dropped from 8.1 percent in 1990 to 6.4 percent in 1997.
Entailment: The total amount of First-Class Mail went from 8.1 percent to 6.4 percent from 1990 to 1997.
Contradiction: The total of First-Class Mail increased greatly from 1990 to 1997.