like an oily arms dealer , squad car pile-ups and the requisite screaming captain 
(ROOT (PP (IN like) (NP (NP (DT an) (JJ oily) (NNS arms) (NN dealer)) (, ,) (NP (NML (NN squad) (NN car)) (NN pile) (HYPH -) (NNS ups)) (CC and) (NP (DT the) (JJ requisite) (VBG screaming) (NN captain)))))
(ROOT (PP (IN ) (NP (NP (DT ) (JJ ) (NNS ) (NN )) (, ) (NP (NML (NN ) (NN )) (NN ) (HYPH ) (NNS )) (CC ) (NP (DT ) (JJ ) (VBG ) (NN )))))