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)))))))))))))))
We all work together at TI.
( We ( all ( ( ( work together ) ( at TI ) ) . ) ) )
(ROOT (S (NP (PRP We)) (ADVP (DT all)) (VP (VBP work) (ADVP (RB together)) (PP (IN at) (NP (NNP TI)))) (. .)))