the theater wondering why these people mattered 
(ROOT (S (NP (DT the) (NN theater)) (VP (VBG wondering) (SBAR (WHADVP (WRB why)) (S (NP (DT these) (NNS people)) (VP (VBD mattered)))))))
(ROOT (S (NP (DT ) (NN )) (VP (VBG ) (SBAR (WHADVP (WRB )) (S (NP (DT ) (NNS )) (VP (VBD )))))))