why did n't hollywood think of this sooner ? 
(ROOT (SBARQ (WHADVP (WRB why)) (SQ (VBD did) (RB n't) (NP (NNP hollywood)) (VP (VB think) (PP (IN of) (NP (DT this))) (ADVP (RBR sooner)))) (. ?)))
(ROOT (SBARQ (WHADVP (WRB )) (SQ (VBD ) (RB ) (NP (NNP )) (VP (VB ) (PP (IN ) (NP (DT ))) (ADVP (RBR )))) (. )))