Anchor: Brian Duffy and Peter Cary have written a rebuttal, to which I have four objections.
Entailed: The rebuttal has four objections.
Contradiction: The are no objections to the rebutall written by Brian Duffy and Peter Cary.
Contradiction: Repayments are not included in the calculation of subsidy cost of direct loans. 
Contradiction: They quickly learn how to represent themselves.
Contradiction: A young woman holds up a starfish.
Contradiction: People crossing a lake.