ultimately you 'll leave the theater wondering why these people mattered 
(ROOT (S (ADVP (RB ultimately)) (NP (PRP you)) (VP (MD 'll) (VP (VB leave) (NP (DT the) (NN theater)) (S (VP (VBG wondering) (SBAR (WHADVP (WRB why)) (S (NP (DT these) (NNS people)) (VP (VBD mattered))))))))))
(ROOT (S (ADVP (RB )) (NP (PRP )) (VP (MD ) (VP (VB ) (NP (DT ) (NN )) (S (VP (VBG ) (SBAR (WHADVP (WRB )) (S (NP (DT ) (NNS )) (VP (VBD ))))))))))