it 's not very good either . 
(ROOT (S (NP (PRP it)) (VP (VBZ 's) (RB not) (ADJP (RB very) (JJ good)) (ADVP (RB either))) (. .)))
(ROOT (S (NP (PRP )) (VP (VBZ ) (RB ) (ADJP (RB ) (JJ )) (ADVP (RB ))) (. )))