Anchor: Not only does government saving directly affect national saving available for private investment, but the federal government also is a key contributor to the nation's capital stock and productivity through its own investment spending.
Entailed: Government savings directly affect national saving available for private investment. 
Contradiction: The federal government does not participate in investment spending.
Contradiction: The movies are easy to make.
Contradiction: Walking towards the hill won't do any harm.
Contradiction: Engraved paper is the obvious choice.
Contradiction: The bicyclist was riding through the mountains.