swinging , the film makes it seem , is not a hobby that attracts the young and fit . 
(ROOT (S (S (VP (VBG swinging))) (PRN (, ,) (S (NP (DT the) (NN film)) (VP (VBZ makes) (S (NP (PRP it)) (VP (VB seem))))) (, ,)) (VP (VBZ is) (RB not) (NP (NP (DT a) (NN hobby)) (SBAR (WHNP (WDT that)) (S (VP (VBZ attracts) (NP (DT the) (ADJP (JJ young) (CC and) (JJ fit)))))))) (. .)))
(ROOT (S (S (VP (VBG ))) (PRN (, ) (S (NP (DT ) (NN )) (VP (VBZ ) (S (NP (PRP )) (VP (VB ))))) (, )) (VP (VBZ ) (RB ) (NP (NP (DT ) (NN )) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (NP (DT ) (ADJP (JJ ) (CC ) (JJ )))))))) (. )))