from grace that still leaves shockwaves 
(ROOT (PP (IN from) (NP (NP (NN grace)) (SBAR (WHNP (WDT that)) (S (ADVP (RB still)) (VP (VBZ leaves) (NP (NNS shockwaves))))))))
(ROOT (PP (IN ) (NP (NP (NN )) (SBAR (WHNP (WDT )) (S (ADVP (RB )) (VP (VBZ ) (NP (NNS ))))))))