Anchor: This third purpose is important because audits done in accordance with GAGAS often are subject to review by other auditors and by oversight officials.
Entailed: This purpose is important because of the possibility of it being reviewed by other auditors.
Contradiction: This third purpose isn't very important.
Contradiction: It had been years since the sun shined upon the cold, dead earth. 
Contradiction: That unpleasant task has some precedent.
Contradiction: Stark is right in front you me, thought Jon.
Contradiction: An old man plays an instrument while a child watches.