of the best-sustained ideas i have ever seen on the screen 
(ROOT (PP (IN of) (NP (NP (DT the) (ADJP (JJS best) (HYPH -) (VBN sustained)) (NNS ideas)) (SBAR (S (NP (PRP i)) (VP (VBP have) (ADVP (RB ever)) (VP (VBN seen) (PP (IN on) (NP (DT the) (NN screen))))))))))
(ROOT (PP (IN ) (NP (NP (DT ) (ADJP (JJS ) (HYPH ) (VBN )) (NNS )) (SBAR (S (NP (PRP )) (VP (VBP ) (ADVP (RB )) (VP (VBN ) (PP (IN ) (NP (DT ) (NN ))))))))))