(S (S (S (BASENP (DT The) (NN government)) (VP (VBZ has) (VP (VBN restricted) (NP (BASENP (NN access)) (PP (TO to) (NP (BASENP (NNS buildings)) (PP (IN at) (BASENP (NN 45G) (CC and) (NN 45H))))))))) (SBAR (IN as) (S (BASENP (PRP they)) (VP (VBD were) (PP (IN in) (BASENP (NN danger))))))) (PERIOD .))