a lot more bluster than bite 
(ROOT (NP (NP (ADJP (NP (DT a) (NN lot)) (RBR more)) (NN bluster)) (PP (IN than) (NP (NN bite)))))
(ROOT (NP (NP (ADJP (NP (DT ) (NN )) (RBR )) (NN )) (PP (IN ) (NP (NN )))))