it 's hardly a necessary enterprise . 
(ROOT (S (NP (PRP it)) (VP (VBZ 's) (ADVP (RB hardly)) (NP (DT a) (JJ necessary) (NN enterprise))) (. .)))
(ROOT (S (NP (PRP )) (VP (VBZ ) (ADVP (RB )) (NP (DT ) (JJ ) (NN ))) (. )))