of fighting hard for something that really matters 
(ROOT (PP (IN of) (S (VP (VBG fighting) (ADVP (RB hard)) (PP (IN for) (NP (NP (NN something)) (SBAR (WHNP (WDT that)) (S (ADVP (RB really)) (VP (VBZ matters))))))))))
(ROOT (PP (IN ) (S (VP (VBG ) (ADVP (RB )) (PP (IN ) (NP (NP (NN )) (SBAR (WHNP (WDT )) (S (ADVP (RB )) (VP (VBZ ))))))))))