is too busy hitting all of its assigned marks to take on any life of its own . 
(ROOT (S (VP (VBZ is) (ADJP (RB too) (JJ busy) (S (VP (VBG hitting) (NP (NP (DT all)) (PP (IN of) (NP (PRP$ its) (VBN assigned) (NNS marks))))))) (S (VP (TO to) (VP (VB take) (PRT (RP on)) (NP (NP (DT any) (NN life)) (PP (IN of) (NP (PRP$ its) (JJ own)))))))) (. .)))
(ROOT (S (VP (VBZ ) (ADJP (RB ) (JJ ) (S (VP (VBG ) (NP (NP (DT )) (PP (IN ) (NP (PRP$ ) (VBN ) (NNS ))))))) (S (VP (TO ) (VP (VB ) (PRT (RP )) (NP (NP (DT ) (NN )) (PP (IN ) (NP (PRP$ ) (JJ )))))))) (. )))