if the screenplay falls somewhat short 
(ROOT (SBAR (IN if) (S (NP (DT the) (NN screenplay)) (VP (VBZ falls) (ADVP (RB somewhat) (JJ short))))))
(ROOT (SBAR (IN ) (S (NP (DT ) (NN )) (VP (VBZ ) (ADVP (RB ) (JJ ))))))