(S (S (S (NP (BASENP (DT The) (NN city) (NN hall) (NN building)) (PP (IN in) (NP (BASENP (NNP Buffalo)) (COMMA ,) (BASENP (NNP New) (NNP York))))) (VP (VBD was) (VP (VBN evacuated)))) (SBAR (IN after) (S (BASENP (NN fire) (NNS alarms)) (VP (VBD were) (VP (VBN activated)))))) (PERIOD .))