i think we have too thank you very much you too bye-bye
( i ( ( think ( we ( ( have too ) ( thank ( you ( very much ) ) ) ) ) ) ( you ( too bye-bye ) ) ) )
(ROOT (SINV (ADVP (RB i)) (VP (VBP think) (SBAR (S (NP (PRP we)) (VP (VBP have) (ADVP (RB too)) (VP (VBP thank) (S (NP (PRP you)) (ADJP (RB very) (JJ much)))))))) (NP (NP (PRP you)) (ADJP (RB too) (JJ bye-bye)))))
I don't think we can thank you enough for your help.
( I ( ( ( do n't ) ( think ( we ( can ( thank ( you ( enough ( for ( your help ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP do) (RB n't) (VP (VB think) (SBAR (S (NP (PRP we)) (VP (MD can) (VP (VB thank) (S (NP (PRP you)) (ADJP (RB enough) (PP (IN for) (NP (PRP$ your) (NN help))))))))))) (. .)))