(S (S (BASENP (NNP Hawaii)) (VP (VP (VBZ has) (VP (VP (VBN had) (NP (BASENP (DT a) (JJ statewide) (NN prohibition)) (PP (IN on) (NP (BASENP (NNS billboards)) (CC and) (NP (BASENP (JJ similar) (NNS forms)) (PP (IN of) (BASENP (NN advertising)))))))) (PP (IN since) (BASENP (NN 1927))))) (CONJP (COMMA ,) (CC and)) (VP (VP (VP (VBZ is) (ADJP (JJ unique))) (PP (IN among) (BASENP (NNP U.S.) (NNS states)))) (PP (IN in) (BASENP (DT this) (NN regard)))))) (PERIOD .))