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