while the material is slight , the movie is better than you might think . 
(ROOT (S (SBAR (IN while) (S (NP (DT the) (NN material)) (VP (VBZ is) (ADJP (JJ slight))))) (, ,) (NP (DT the) (NN movie)) (VP (VBZ is) (ADJP (ADJP (JJR better)) (SBAR (IN than) (S (NP (PRP you)) (VP (MD might) (VP (VB think))))))) (. .)))
(ROOT (S (SBAR (IN ) (S (NP (DT ) (NN )) (VP (VBZ ) (ADJP (JJ ))))) (, ) (NP (DT ) (NN )) (VP (VBZ ) (ADJP (ADJP (JJR )) (SBAR (IN ) (S (NP (PRP )) (VP (MD ) (VP (VB ))))))) (. )))