(S (S (NP (BASENP (NNP Saturday) (POS 's)) (NN accident)) (VP (VBZ follows) (NP (NP (NP (BASENP (DT a) (NN gas) (NN explosion)) (PP (IN at) (NP (BASENP (DT a) (NN coal) (NN mine)) (PP (IN in) (NP (BASENP (JJ south-western) (NNP China) (POS 's)) (BASENP (NNP Guizhou) (NN province))))))) (PP (IN on) (BASENP (NNP Friday)))) (VP (VBG killing) (NP (QP (ADVP (IN at) (JJS least)) (NN ten)) (NNS people)))))) (PERIOD .))