Anchor: Similarly, the APHIS web page on recently published rules and regulations allowed users to enter keywords and receive email when certain key words appear on the pages.
Entailed: The APHIS site published rules that allowed users to enter keywords to receive email.  
Contradiction: There are no rules on the APHIS site regulating keywords concerning emails.  
Contradiction: Several people are watching a football game.
Contradiction: I have no knowledge.
Contradiction: Congress has not passed the Sarbanes-Oxley legislation
Contradiction: In the information the department asks for comments on new requirements.