Text: The Commission, therefore, assumed that the weight interval distribution for all outbound mail sent to all FPAs, excluding Canada, was a reasonable proxy for the weight interval distribution for mail sent to each FPA.
Entailment: The Commission assumed that the weight distribution for all outbound mail sent to all FPAs was a fair proxy for what was sent to each FPA.
Contradiction: The Commission did not make the assumption that the weight distribution for all outbound mail sent to all FPAs was a fair proxy for what was sent to each FPA.