Anchor: It was also suggested that boards should effectively use the gatekeepers (auditors and audit committees) for help in the board's oversight of financial management and reporting activities of the company.
Entailed: It was suggested to the boards that they should be effectively use the gatekeepers.
Contradiction: Nothing was ever suggested to the boards so they did not use the gatekeepers.
Contradiction: Venturing outside is not recommended here, please stay indoors.
Contradiction: You don't have to go that far south. 
Contradiction: Everyone will go to bed early.
Contradiction: Is it possible that this empty place was where Tuppence ended up?