Text: Presented at the Conference on Postal and Delivery Economics, The Center for Research in Regulated Industries at Rutgers University, Vancouver, Canada, June 710, 2000 2 The writer is Special Assistant to the Postal Rate Commission, an independent regulatory agency of the United States Government.
Entailment: The Postal Rate Commission is an independent regulatory agency of the US Government.
Contradiction: The Postal Rate Commission is an internal regulatory agency of the US Government.