learns that believing in something does matter 
(ROOT (S (VP (VBZ learns) (SBAR (IN that) (S (S (VP (VBG believing) (PP (IN in) (NP (NN something))))) (VP (VBZ does) (VP (VB matter))))))))
(ROOT (S (VP (VBZ ) (SBAR (IN ) (S (S (VP (VBG ) (PP (IN ) (NP (NN ))))) (VP (VBZ ) (VP (VB ))))))))