nothing but an episode of smackdown ! 
(ROOT (NP (NP (NN nothing)) (PP (IN but) (NP (NP (DT an) (NN episode)) (PP (IN of) (NP (NN smackdown))))) (. !)))
(ROOT (NP (NP (NN )) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN ))))) (. )))