of what it actually means to face your fears 
(ROOT (PP (IN of) (SBAR (WHNP (WP what)) (S (NP (PRP it)) (ADVP (RB actually)) (VP (VBZ means) (S (VP (TO to) (VP (VB face) (NP (PRP$ your) (NNS fears))))))))))
(ROOT (PP (IN ) (SBAR (WHNP (WP )) (S (NP (PRP )) (ADVP (RB )) (VP (VBZ ) (S (VP (TO ) (VP (VB ) (NP (PRP$ ) (NNS ))))))))))