like a cold old man going through the motions 
(ROOT (PP (IN like) (NP (NP (DT a) (JJ cold) (JJ old) (NN man)) (VP (VBG going) (PP (IN through) (NP (DT the) (NNS motions)))))))
(ROOT (PP (IN ) (NP (NP (DT ) (JJ ) (JJ ) (NN )) (VP (VBG ) (PP (IN ) (NP (DT ) (NNS )))))))