Unlike the earlier flights, the Flight 77 hijackers were reported by a passenger to have box cutters.
( ( Unlike ( the ( earlier flights ) ) ) ( , ( ( ( the Flight ) ( 77 hijackers ) ) ( ( were ( ( reported ( by ( a passenger ) ) ) ( to ( have ( box cutters ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Unlike) (NP (DT the) (JJR earlier) (NNS flights))) (, ,) (NP (NP (DT the) (NN Flight)) (NP (CD 77) (NNS hijackers))) (VP (VBD were) (VP (VBN reported) (PP (IN by) (NP (DT a) (NN passenger))) (S (VP (TO to) (VP (VB have) (NP (NN box) (NNS cutters))))))) (. .)))
The hijackers had box cutters on all of the flights.
( ( The hijackers ) ( ( had ( ( box cutters ) ( on ( all ( of ( the flights ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS hijackers)) (VP (VBD had) (NP (NP (NN box) (NNS cutters)) (PP (IN on) (NP (NP (DT all)) (PP (IN of) (NP (DT the) (NNS flights))))))) (. .)))