while you have to admit it 's semi-amusing to watch robert deniro belt out `` when you 're a jet , you 're a jet all the way , '' it 's equally distasteful to watch him sing the lyrics to `` tonight . '' 
(ROOT (S (SBAR (IN while) (S (NP (PRP you)) (VP (VBP have) (S (VP (TO to) (VP (VB admit) (SBAR (S (NP (NP (PRP it))) (VP (VBZ 's) (ADJP (JJ semi-amusing)) (S (VP (TO to) (VP (VB watch) (S (NP (NNP robert) (NNP deniro)) (VP (NN belt) (PRT (RP out)) (`` ``) (S (SBAR (WHADVP (WRB when)) (S (NP (PRP you)) (VP (VBP 're) (NP (DT a) (NN jet))))) (, ,) (NP (PRP you)) (VP (VBP 're) (NP (DT a) (NN jet)) (NP (PDT all) (DT the) (NN way)))))))))))))))))) (, ,) ('' '') (NP (NP (PRP it))) (VP (VBZ 's) (ADJP (RB equally) (JJ distasteful)) (S (VP (TO to) (VP (VB watch) (S (NP (PRP him)) (VP (VB sing) (NP (NP (DT the) (NNS lyrics)) (PP (IN to) (`` ``) (NP (NN tonight)))))))))) (. .) ('' '')))
(ROOT (S (SBAR (IN ) (S (NP (PRP )) (VP (VBP ) (S (VP (TO ) (VP (VB ) (SBAR (S (NP (NP (PRP ))) (VP (VBZ ) (ADJP (JJ )) (S (VP (TO ) (VP (VB ) (S (NP (NNP ) (NNP )) (VP (NN ) (PRT (RP )) (`` ) (S (SBAR (WHADVP (WRB )) (S (NP (PRP )) (VP (VBP ) (NP (DT ) (NN ))))) (, ) (NP (PRP )) (VP (VBP ) (NP (DT ) (NN )) (NP (PDT ) (DT ) (NN )))))))))))))))))) (, ) ('' ) (NP (NP (PRP ))) (VP (VBZ ) (ADJP (RB ) (JJ )) (S (VP (TO ) (VP (VB ) (S (NP (PRP )) (VP (VB ) (NP (NP (DT ) (NNS )) (PP (IN ) (`` ) (NP (NN )))))))))) (. ) ('' )))