On Flight 93, however, the takeover took place 46 minutes after takeoff and there were only four hijackers.
( ( On ( Flight 93 ) ) ( , ( ( ( ( however ( , ( ( the takeover ) ( ( ( took place ) ( 46 minutes ) ) ( after takeoff ) ) ) ) ) and ) ( there ( were ( ( only four ) hijackers ) ) ) ) . ) ) )
(ROOT (S (PP (IN On) (NP (NNP Flight) (CD 93))) (, ,) (S (ADVP (RB however)) (, ,) (NP (DT the) (NN takeover)) (VP (VBD took) (NP (NN place)) (NP (CD 46) (NNS minutes)) (PP (IN after) (NP (NN takeoff))))) (CC and) (S (NP (EX there)) (VP (VBD were) (NP (QP (RB only) (CD four)) (NNS hijackers)))) (. .)))
With only 4 hijackers, the takeover of flight 93 only took 46 minutes.
( ( With ( ( only 4 ) hijackers ) ) ( , ( ( ( the takeover ) ( of ( flight 93 ) ) ) ( only ( ( took ( 46 minutes ) ) . ) ) ) ) )
(ROOT (S (PP (IN With) (NP (QP (RB only) (CD 4)) (NNS hijackers))) (, ,) (NP (NP (DT the) (NN takeover)) (PP (IN of) (NP (NN flight) (CD 93)))) (ADVP (RB only)) (VP (VBD took) (NP (CD 46) (NNS minutes))) (. .)))