it just is n't a very involving one 
(ROOT (S (NP (PRP it)) (ADVP (RB just)) (VP (VBZ is) (RB n't) (NP (DT a) (ADJP (RB very) (VBG involving)) (NN one)))))
(ROOT (S (NP (PRP )) (ADVP (RB )) (VP (VBZ ) (RB ) (NP (DT ) (ADJP (RB ) (VBG )) (NN )))))