we 've seen the hippie-turned-yuppie plot before , but there 's an enthusiastic charm in fire that makes the formula fresh again . 
(ROOT (S (S (NP (PRP we)) (VP (VBP 've) (VP (VBN seen) (NP (DT the) (NML (NML (NN hippie)) (HYPH -) (VP (VBN turned) (HYPH -) (ADVP (JJ yuppie)))) (NN plot)) (ADVP (RB before))))) (, ,) (CC but) (S (NP (EX there)) (VP (VBZ 's) (NP (NP (DT an) (JJ enthusiastic) (NN charm))) (PP (IN in) (NP (NN fire))) (SBAR (WHNP (WDT that)) (S (VP (VBZ makes) (S (NP (DT the) (NN formula)) (ADJP (JJ fresh))) (ADVP (RB again))))))) (. .)))
(ROOT (S (S (NP (PRP )) (VP (VBP ) (VP (VBN ) (NP (DT ) (NML (NML (NN )) (HYPH ) (VP (VBN ) (HYPH ) (ADVP (JJ )))) (NN )) (ADVP (RB ))))) (, ) (CC ) (S (NP (EX )) (VP (VBZ ) (NP (NP (DT ) (JJ ) (NN ))) (PP (IN ) (NP (NN ))) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (S (NP (DT ) (NN )) (ADJP (JJ ))) (ADVP (RB ))))))) (. )))