of the most original american productions this year 
(ROOT (PP (IN of) (NP (NP (DT the) (ADJP (RBS most) (JJ original)) (JJ american) (NNS productions)) (NP (DT this) (NN year)))))
(ROOT (PP (IN ) (NP (NP (DT ) (ADJP (RBS ) (JJ )) (JJ ) (NNS )) (NP (DT ) (NN )))))