Anchor: Celebrants climbing a traffic light.
Entailed: The celebrants are happy about something.
Contradiction: The celebrants are sitting on the ground crying and feeling sad.
Contradiction: The Postal Service does not submit any data to Congress.  
Contradiction: The Postal Service has the legal authority to introduce new products and services.
Contradiction: The woman is running with her child from the school that was invaded by aliens.
Contradiction: A person writes something on a book.