to a problem hollywood too long has ignored 
(ROOT (PP (IN to) (NP (NP (DT a) (NN problem)) (SBAR (S (NP (NN hollywood)) (ADVP (RB too) (RB long)) (VP (VBZ has) (VP (VBN ignored))))))))
(ROOT (PP (IN ) (NP (NP (DT ) (NN )) (SBAR (S (NP (NN )) (ADVP (RB ) (RB )) (VP (VBZ ) (VP (VBN ))))))))