which fails to rise above its disgusting source material 
(ROOT (SBAR (WHNP (WDT which)) (S (VP (VBZ fails) (S (VP (TO to) (VP (VB rise) (PP (IN above) (NP (PRP$ its) (JJ disgusting) (NN source) (NN material))))))))))
(ROOT (SBAR (WHNP (WDT )) (S (VP (VBZ ) (S (VP (TO ) (VP (VB ) (PP (IN ) (NP (PRP$ ) (JJ ) (NN ) (NN ))))))))))