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