(S (S (PP (IN On) (BASENP (NNP Tuesday))) (COMMA ,) (S (BASENP (NNP Mayor) (NNP Michael) (NNP R.) (NNP Bloomberg)) (VP (VBD announced) (NP (BASENP (DT a) (NN weather) (NN emergency)) (PP (IN in) (NP (BASENP (NNP New) (NNP York) (NNP City)) (COMMA ,) (BASENP (NNP New) (NNP York)))))))) (PERIOD .))