(S (S (PP (VBG According) (PP (TO to) (BASENP (NNP Iinuma)))) (COMMA ,) (S (BASENP (NN ground) (NNS crews)) (VP (VBP are) (VP (VBG continuing) (S (VP (TO to) (VP (VB maintain) (NP (NP (BASENP (DT the) (NN fire) (POS 's)) (NN perimeter)) (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (VP (VBD remained) (ADJP (JJ unchanged))) (PP (IN from) (BASENP (NNP Tuesday)))))))))))))) (PERIOD .))