Anchor: Thus, it is clear that Congress crafted the certification provision as a carefully balanced compromise that ensures the President can protect the confidentiality of highly sensitive information, the disclosure of which would substantially impair the operations of government, while affording the Comptroller General the access to information he needs to fulfill his responsibilities under the law.
Entailed: Congress adopted a certification provision.
Contradiction: Congress failed to adopt the provision.
Contradiction: Thorn gave up defending himself from the assassin's scimitar. 
Contradiction: The man carried on. 
Contradiction: No child is holding a small instrument.
Contradiction: The explanation for the need for information is contained in the preamble.