The passengers continued their assault and at 10:02:23, a hijacker said, Pull it down!
( ( ( ( ( The passengers ) ( continued ( their assault ) ) ) and ) ( ( at 10:02:23 ) ( , ( ( a hijacker ) ( ( said , ) ( ( Pull it ) down ) ) ) ) ) ) ! )
(ROOT (S (S (NP (DT The) (NNS passengers)) (VP (VBD continued) (NP (PRP$ their) (NN assault)))) (CC and) (S (PP (IN at) (NP (CD 10:02:23))) (, ,) (NP (DT a) (NN hijacker)) (VP (VBD said) (, ,) (S (VP (VBG Pull) (NP (PRP it)) (PRT (RP down)))))) (. !)))
The assault by the passengers lasted for over 10 minutes.
( ( ( The assault ) ( by ( the passengers ) ) ) ( ( lasted ( for ( over ( 10 minutes ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN assault)) (PP (IN by) (NP (DT the) (NNS passengers)))) (VP (VBD lasted) (PP (IN for) (NP (IN over) (CD 10) (NNS minutes)))) (. .)))