The Hazmi brothers, sitting in 5E and 5F, joined Hanjour in the first-class cabin.
( ( The ( Hazmi brothers ) ) ( , ( ( sitting ( in ( ( 5E and ) 5F ) ) ) ( , ( ( joined ( Hanjour ( in ( the ( first-class cabin ) ) ) ) ) . ) ) ) ) )
(ROOT (S (NP (DT The) (NNP Hazmi) (NNS brothers)) (, ,) (S (VP (VBG sitting) (PP (IN in) (NP (CD 5E) (CC and) (CD 5F))))) (, ,) (VP (VBD joined) (NP (NP (NNP Hanjour)) (PP (IN in) (NP (DT the) (JJ first-class) (NN cabin))))) (. .)))
The Hazmi brothers, as well as Hanjour, sat in the first class cabin.
( ( ( ( ( ( The ( Hazmi brothers ) ) , ) ( as ( well as ) ) ) Hanjour ) , ) ( ( sat ( in ( the ( first ( class cabin ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NNP Hazmi) (NNS brothers)) (, ,) (CONJP (RB as) (RB well) (IN as)) (NP (NNP Hanjour)) (, ,)) (VP (VBD sat) (PP (IN in) (NP (DT the) (JJ first) (NN class) (NN cabin)))) (. .)))