(S (S (PP (IN After) (BASENP (DT the) (NN tragedy))) (COMMA ,) (S (BASENP (DT the) (NN government)) (VP (VBD announced) (SBAR (IN that) (S (BASENP (PRP it)) (VP (MD would) (VP (VP (VB inspect) (NP (BASENP (NNS buildings)) (ADJP (JJR older) (PP (IN than) (BASENP (NN 50) (NNS years)))))) (PP (IN in) (BASENP (NN one) (NN month)))))))))) (PERIOD .))