(S (S (BASENP (DT The) (NN government)) (VP (VBZ has) (VP (VBN confirmed) (SBAR (IN that) (S (BASENP (NN four) (NNS people)) (VP (VBD were) (ADJP (JJ dead) (PP (IN in) (BASENP (DT the) (NN incident)))))))))) (PERIOD .))