that rare film whose real-life basis is , in fact , so interesting that no embellishment is needed . 
(ROOT (NP (NP (DT that) (JJ rare) (NN film)) (SBAR (WHNP (WP$ whose) (NML (JJ real) (HYPH -) (NN life)) (NN basis)) (S (VP (VBZ is) (, ,) (PP (IN in) (NP (NN fact))) (, ,) (ADJP (ADJP (RB so) (JJ interesting)) (SBAR (IN that) (S (NP (DT no) (NN embellishment)) (VP (VBZ is) (VP (VBN needed))))))))) (. .)))
(ROOT (NP (NP (DT ) (JJ ) (NN )) (SBAR (WHNP (WP$ ) (NML (JJ ) (HYPH ) (NN )) (NN )) (S (VP (VBZ ) (, ) (PP (IN ) (NP (NN ))) (, ) (ADJP (ADJP (RB ) (JJ )) (SBAR (IN ) (S (NP (DT ) (NN )) (VP (VBZ ) (VP (VBN ))))))))) (. )))