an exploitation piece doing its usual worst to guilt-trip parents 
(ROOT (NP (NP (DT an) (NN exploitation) (NN piece)) (VP (VBG doing) (NP (PRP$ its) (JJ usual) (JJS worst)) (S (VP (IN to) (VP (NN guilt) (HYPH -) (NN trip) (NP (NNS parents))))))))
(ROOT (NP (NP (DT ) (NN ) (NN )) (VP (VBG ) (NP (PRP$ ) (JJ ) (JJS )) (S (VP (IN ) (VP (NN ) (HYPH ) (NN ) (NP (NNS ))))))))