Text: The federal government has recognized that mitigating risks to our nation's critical computer-dependent infrastructures, many of which are privately owned, is a serious challenge requiring coordination and cooperation among federal agencies, public and private-sector entities, and other nations.
Entailment: Federal agencies and other nations are two parties whose cooperation will be required.
Contradiction: Federal agencies and public sector entities will have to coordinate with others but the private sector and other nations will not.