it 's definitely an improvement on the first blade , since it does n't take itself so deadly seriously . 
(ROOT (S (NP (PRP it)) (VP (VBZ 's) (ADVP (RB definitely)) (NP (NP (DT an) (NN improvement)) (PP (IN on) (NP (DT the) (JJ first) (NN blade)))) (, ,) (SBAR (IN since) (S (NP (PRP it)) (VP (VBZ does) (RB n't) (VP (VB take) (NP (PRP itself)) (ADVP (ADVP (RB so) (JJ deadly)) (RB seriously))))))) (. .)))
(ROOT (S (NP (PRP )) (VP (VBZ ) (ADVP (RB )) (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (JJ ) (NN )))) (, ) (SBAR (IN ) (S (NP (PRP )) (VP (VBZ ) (RB ) (VP (VB ) (NP (PRP )) (ADVP (ADVP (RB ) (JJ )) (RB ))))))) (. )))