rooting for the monsters in a horror movie 
(ROOT (S (VP (VBG rooting) (PP (IN for) (NP (NP (DT the) (NNS monsters)) (PP (IN in) (NP (DT a) (NN horror) (NN movie))))))))
(ROOT (S (VP (VBG ) (PP (IN ) (NP (NP (DT ) (NNS )) (PP (IN ) (NP (DT ) (NN ) (NN ))))))))