Text: The joint authority shared by the Postal Service and the Postal Rate Commission under the Reorganization Act to adopt new mail classifications is the mechanism for implementing innovations in domestic mail service.
Entailment: The authority shared by the U.S. Postal Service and the Postal Rate Commission under the Reorganization Act ruled to adopt new mail classifications as a way to innovate and streamline domestic mail service.
Contradiction: The U.S. Postal Service and Postal Rate Commission rejected the proposal to adopt new mail classifications citing it would too much overhead cost to manage.