The hijackers attacked sometime between 8:42 and 8:46.
( ( The hijackers ) ( ( ( attacked sometime ) ( between ( ( 8:42 and ) 8:46 ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS hijackers)) (VP (VBD attacked) (ADVP (RB sometime)) (PP (IN between) (NP (CD 8:42) (CC and) (CD 8:46)))) (. .)))
Sometime between 8:42 and 8:46 the hijackers attacked.
( ( Sometime ( between ( ( 8:42 and ) 8:46 ) ) ) ( ( the hijackers ) ( attacked . ) ) )
(ROOT (S (ADVP (RB Sometime) (PP (IN between) (NP (CD 8:42) (CC and) (CD 8:46)))) (NP (DT the) (NNS hijackers)) (VP (VBD attacked)) (. .)))