they don't i don't i don't work at TI
( they ( ( do n't ) ( i ( ( do n't ) ( i ( ( do n't ) ( work ( at TI ) ) ) ) ) ) ) )
(ROOT (S (NP (PRP they)) (VP (VBP do) (RB n't) (NP (NP (FW i)) (SBAR (S (VP (VBP do) (RB n't) (NP (NP (FW i)) (SBAR (S (VP (VBP do) (RB n't) (VP (VB work) (PP (IN at) (NP (NNP TI)))))))))))))))
I work at Boeing instead of TI.
( I ( ( work ( at ( Boeing ( instead ( of TI ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP work) (PP (IN at) (NP (NP (NNP Boeing)) (PP (RB instead) (IN of) (NP (NNP TI)))))) (. .)))