can depress you about life itself . 
(ROOT (S (VP (MD can) (VP (VB depress) (NP (PRP you)) (PP (IN about) (NP (NP (NN life)) (NP (PRP itself)))))) (. .)))
(ROOT (S (VP (MD ) (VP (VB ) (NP (PRP )) (PP (IN ) (NP (NP (NN )) (NP (PRP )))))) (. )))