Anchor: When a budget surplus occurs, the federal government can use excess funds to reduce the debt held by the public.
Entailed: The debt held by the public can be reduced using excess funds from the federal government during a budget surplus.
Contradiction: The federal government cannot use excess funds when a budget surplus occurs to reduce debt held by the public. 
Contradiction: I hated the book, the movie was better.
Contradiction: Haggling
Contradiction: CIOs always delegate IT and customer concerns to other personnel.
Contradiction: Forbes was good at decoding language.