on the monster 's path of destruction 
(ROOT (PP (IN on) (NP (NP (NP (DT the) (NN monster) (POS 's)) (NN path)) (PP (IN of) (NP (NN destruction))))))
(ROOT (PP (IN ) (NP (NP (NP (DT ) (NN ) (POS )) (NN )) (PP (IN ) (NP (NN ))))))