Anchor: 4. The current long-term economic outlook for U.S. national saving and investment is subject to wide ranging uncertainty about economic changes and the responses to those changes.
Entailed: The current long-term economic outlook for U.S. national saving and investment is subject to wide ranging uncertainty. 
Contradiction: Current long-term economic outlook for U.S. national saving and investment is not subject to uncertainty.
Contradiction: The man was atop a donkey.
Contradiction: There are lots of buses leaving to Contarf Road Station.
Contradiction: Cowardice is not something that can be seen in the director.
Contradiction: Some humans looking.