with a script that prevents them from firing on all cylinders 
(ROOT (PP (IN with) (NP (NP (DT a) (NN script)) (SBAR (WHNP (WDT that)) (S (VP (VBZ prevents) (NP (PRP them)) (PP (IN from) (S (VP (VBG firing) (PP (IN on) (NP (DT all) (NNS cylinders))))))))))))
(ROOT (PP (IN ) (NP (NP (DT ) (NN )) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (NP (PRP )) (PP (IN ) (S (VP (VBG ) (PP (IN ) (NP (DT ) (NNS ))))))))))))