(S (S (ADVP (RB Initially)) (COMMA ,) (S (BASENP (NNP Tesoro)) (VP (VBD announced) (SBAR (IN that) (S (BASENP (NN three) (NNS people)) (VP (VBD had) (VP (VBN died) (PP (IN in) (BASENP (DT the) (NN fire)))))))))) (PERIOD .))