is worth the price of admission . 
(ROOT (S (VP (VBZ is) (ADJP (JJ worth) (NP (NP (DT the) (NN price)) (PP (IN of) (NP (NN admission)))))) (. .)))
(ROOT (S (VP (VBZ ) (ADJP (JJ ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN )))))) (. )))