The emergency call lasted approximately 25 minutes, as Ong calmly and professionally relayed information about events taking place aboard the airplane to authorities on the ground.
( ( The ( emergency call ) ) ( ( ( ( ( ( ( lasted ( approximately ( 25 minutes ) ) ) , ) ( as Ong ) ) calmly ) and ) ( professionally ( ( ( relayed information ) ( about events ) ) ( ( ( taking place ) ( aboard ( the airplane ) ) ) ( to ( authorities ( on ( the ground ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN emergency) (NN call)) (VP (VP (VBD lasted) (ADVP (RB approximately) (NP (CD 25) (NNS minutes))) (, ,) (PP (IN as) (NP (NNP Ong))) (ADVP (RB calmly))) (CC and) (VP (ADVP (RB professionally)) (VBD relayed) (NP (NN information)) (PP (IN about) (NP (NNS events))) (S (VP (VBG taking) (NP (NN place)) (PP (IN aboard) (NP (DT the) (NN airplane))) (PP (TO to) (NP (NP (NNS authorities)) (PP (IN on) (NP (DT the) (NN ground))))))))) (. .)))
Ong was frantic when talking to the authorities on the ground about the hijacking for an hour.
( Ong ( ( was ( frantic ( when ( talking ( to ( ( the authorities ) ( on ( ( the ground ) ( about ( ( the hijacking ) ( for ( an hour ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Ong)) (VP (VBD was) (VP (VBN frantic) (SBAR (WHADVP (WRB when)) (S (VP (VBG talking) (PP (TO to) (NP (NP (DT the) (NNS authorities)) (PP (IN on) (NP (NP (DT the) (NN ground)) (PP (IN about) (NP (NP (DT the) (NN hijacking)) (PP (IN for) (NP (DT an) (NN hour)))))))))))))) (. .)))