Instruction: Does the hypothesis contradict the premise? Premise: In sum, the protocols in place on 9/11 for the FAA and NORAD to respond to a hijacking presumed that Hypothesis: No proticsls were used on 9/11 to prevent tragedy. 
In sum, the protocols in place on 9/11 for the FAA and NORAD to respond to a hijacking presumed that###No proticsls were used on 9/11 to prevent tragedy. 