a bracing , unblinking work that serves as a painful elegy and sobering cautionary tale . 
(ROOT (NP (NP (DT a) (VBG bracing) (, ,) (JJ unblinking) (NN work)) (SBAR (WHNP (WDT that)) (S (VP (VBZ serves) (PP (IN as) (NP (NP (DT a) (JJ painful) (NN elegy)) (CC and) (NP (JJ sobering) (JJ cautionary) (NN tale))))))) (. .)))
(ROOT (NP (NP (DT ) (VBG ) (, ) (JJ ) (NN )) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (PP (IN ) (NP (NP (DT ) (JJ ) (NN )) (CC ) (NP (JJ ) (JJ ) (NN ))))))) (. )))