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))))) (. .)))
There were three employees of the FAA experienced with multiple hijackings.
( There ( ( were ( ( three employees ) ( of ( ( the FAA ) ( experienced ( with ( multiple hijackings ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBD were) (NP (NP (CD three) (NNS employees)) (PP (IN of) (NP (NP (DT the) (NNP FAA)) (VP (VBN experienced) (PP (IN with) (NP (JJ multiple) (NNS hijackings)))))))) (. .)))