Anchor: If this option is exercised, GAO will send a letter to the original requester and each co-requester documenting this agreement.
Entailed: GAO will send a letter if this option is exercised.
Contradiction: There will be no documentation of the agreement if this option is exercised.
Contradiction: It's probably gross. 
Contradiction: The processing costs were rather expensive and we experienced difficulties in operations.
Contradiction: I have a problem, I do not want anything from you.
Contradiction: in the stuff that weighs more