No one at the FAA or the airlines that day had ever dealt with multiple hijackings.
( ( ( ( ( No one ) ( at ( the FAA ) ) ) or ) ( ( the airlines ) ( that day ) ) ) ( ( ( had ever ) ( dealt ( with ( multiple hijackings ) ) ) ) . ) )
(ROOT (S (NP (NP (NP (DT No) (NN one)) (PP (IN at) (NP (DT the) (NNP FAA)))) (CC or) (NP (NP (DT the) (NNS airlines)) (NP (DT that) (NN day)))) (VP (VBD had) (ADVP (RB ever)) (VP (VBN dealt) (PP (IN with) (NP (JJ multiple) (NNS hijackings))))) (. .)))
No one with the airlines or FAA had ever dealt with more than one hijacking.
( ( ( No one ) ( with ( ( ( the airlines ) or ) FAA ) ) ) ( ( ( had ever ) ( dealt ( with ( ( more ( than one ) ) hijacking ) ) ) ) . ) )
(ROOT (S (NP (NP (DT No) (NN one)) (PP (IN with) (NP (NP (DT the) (NNS airlines)) (CC or) (NP (NNP FAA))))) (VP (VBD had) (ADVP (RB ever)) (VP (VBN dealt) (PP (IN with) (NP (QP (JJR more) (IN than) (CD one)) (NN hijacking))))) (. .)))