Anchor: In developing the RFP an agency may hold presolicitation or preproposal conferences in order to seek industry views on the planned acquisition and to encourage companies to offer proposals.
Entailed: An agency has to hold presolicitication or preproposal conferences to get industry views on acquisitions. 
Contradiction: An agency doesn't have to hold conferences before acquisitions.
Contradiction: Two men are playing basketball.
Contradiction: The Italians found them to be much too ineffable.
Contradiction: A little boy being eaten by a snowman.
Contradiction: During the Civil War, there was some damage to the church.