Anchor: In the preamble to the Notice of Proposed Rulemaking (59 Fed.
Entailed: In the preliminary statement to the notice of proposed rule making. 
Contradiction: There was no preamble.
Contradiction: The dog is chewing on a shoe.
Contradiction: I can tell someone to leave me alone.
Contradiction: Two young boys learn to play the piano.
Contradiction: Whales are seen here infrequently.