According to one call, they voted on whether to rush the terrorists in an attempt to retake the plane.
( ( According ( to ( one call ) ) ) ( , ( they ( ( ( voted on ) ( whether ( to ( ( rush ( the terrorists ) ) ( in ( an ( attempt ( to ( retake ( the plane ) ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (VBG According) (PP (TO to) (NP (CD one) (NN call)))) (, ,) (NP (PRP they)) (VP (VBD voted) (PRT (RP on)) (SBAR (IN whether) (S (VP (TO to) (VP (VB rush) (NP (DT the) (NNS terrorists)) (PP (IN in) (NP (DT an) (NN attempt) (S (VP (TO to) (VP (VB retake) (NP (DT the) (NN plane)))))))))))) (. .)))
One caller said that there was a vote on the plane.  
( ( One caller ) ( ( said ( that ( there ( was ( ( a vote ) ( on ( the plane ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (CD One) (NN caller)) (VP (VBD said) (SBAR (IN that) (S (NP (EX there)) (VP (VBD was) (NP (NP (DT a) (NN vote)) (PP (IN on) (NP (DT the) (NN plane)))))))) (. .)))