Anchor: The models described here require estimates of either the lines of code or number of function points that the new system will include.
Entailed: The described models require estimates for the new system.
Contradiction: The models don't require any estimates. 
Contradiction: The R&D investments were stopped completely, due to the shortage of qualified professionals.
Contradiction: A dog in apparel is outside.
Contradiction: Orrin Hatch neglected to say a word as to whether he thought it was going to go away.
Contradiction: They're facing a lot of pressure.