manage to hit all of its marks 
(ROOT (S (VP (VB manage) (S (VP (TO to) (VP (VB hit) (NP (NP (DT all)) (PP (IN of) (NP (PRP$ its) (NNS marks))))))))))
(ROOT (S (VP (VB ) (S (VP (TO ) (VP (VB ) (NP (NP (DT )) (PP (IN ) (NP (PRP$ ) (NNS ))))))))))