The hijackers were wearing red bandanas, and they forced the passengers to the back of the aircraft.
( ( ( ( ( ( The hijackers ) ( were ( wearing ( red bandanas ) ) ) ) , ) and ) ( they ( ( forced ( the passengers ) ) ( to ( ( the back ) ( of ( the aircraft ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (DT The) (NNS hijackers)) (VP (VBD were) (VP (VBG wearing) (NP (JJ red) (NNS bandanas))))) (, ,) (CC and) (S (NP (PRP they)) (VP (VBD forced) (NP (DT the) (NNS passengers)) (PP (TO to) (NP (NP (DT the) (NN back)) (PP (IN of) (NP (DT the) (NN aircraft))))))) (. .)))
The hijackers wore red bandanas that covered their faces entirely.
( ( The hijackers ) ( ( wore ( ( red bandanas ) ( that ( ( covered ( their faces ) ) entirely ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS hijackers)) (VP (VBD wore) (NP (NP (JJ red) (NNS bandanas)) (SBAR (WHNP (WDT that)) (S (VP (VBD covered) (NP (PRP$ their) (NNS faces)) (ADVP (RB entirely))))))) (. .)))