Anchor: POSTAL SERVICE AUTHORITY TO ENTER INTO NEGOTIATED RATE AND SERVICE AGREEMENTS WITH INDIVIDUAL CUSTOMERS OR GROUPS OF CUSTOMERS TO PROVIDE SERVICES
Entailed: The Postal Service has authority to negotiate rates with individual customers.
Contradiction: The Postal Service cannot negotiate rates with individual customers.
Contradiction: I never realized how fat I am. 
Contradiction: I work in the schools.
Contradiction: african man eating food
Contradiction: Man walks his bike through a busy street.