(S (S (NP (NP (BASENP (DT The) (NN city)) (PP (IN of) (BASENP (NNP Mercer) (NNP Island)))) (PRN (COMMA ,) (VP (VP (VBN connected) (PP (TO to) (BASENP (DT the) (NN mainland)))) (PP (ADVP (RB only)) (PP (IN by) (BASENP (NNP Interstate) (NN 90))))) (COMMA ,))) (VP (VBZ is) (ADJP (RB reportedly) (JJ inaccessible)))) (PERIOD .))