a lot of tooth in roger dodger 
(ROOT (NP (NP (DT a) (NN lot)) (PP (IN of) (NP (NN tooth))) (PP (IN in) (NP (NNP roger) (NN dodger)))))
(ROOT (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN ))) (PP (IN ) (NP (NNP ) (NN )))))