(S (S (ADVP (ADVP (RBR Earlier)) (BASENP (DT this) (NN year))) (COMMA ,) (S (NP (BASENP (DT an) (JJ unsafe) (NN arrangement)) (PP (IN with) (BASENP (DT a) (JJ two-ton) (NN steel) (NN ladle)))) (VP (VP (VBD resulted) (PP (IN in) (BASENP (DT the) (NNP Qinghe) (NNP Special) (NNP Steel) (NNP Corporation) (NN disaster)))) (COMMA ,) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (BASENP (VBN molten) (NN steel)) (VP (VBD was) (VP (ADVP (RB accidentally)) (VP (VP (VBN poured) (PP (IN into) (NP (BASENP (DT a) (NN room)) (ADJP (JJ full) (PP (IN of) (BASENP (NNS workers))))))) (COMMA ,) (S (VP (VBG killing) (BASENP (NN 32)))))))))))) (PERIOD .))