when you find yourself rooting for the monsters in a horror movie , you know the picture is in trouble . 
(ROOT (S (SBAR (WHADVP (WRB when)) (S (NP (PRP you)) (VP (VBP 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)))))))))) (, ,) (NP (PRP you)) (VP (VBP know) (SBAR (S (NP (DT the) (NN picture)) (VP (VBZ is) (PP (IN in) (NP (NN trouble))))))) (. .)))
(ROOT (S (SBAR (WHADVP (WRB )) (S (NP (PRP )) (VP (VBP ) (S (NP (PRP )) (VP (VBG ) (PP (IN ) (NP (NP (DT ) (NNS )) (PP (IN ) (NP (DT ) (NN ) (NN )))))))))) (, ) (NP (PRP )) (VP (VBP ) (SBAR (S (NP (DT ) (NN )) (VP (VBZ ) (PP (IN ) (NP (NN ))))))) (. )))