(S (S (S (NP (BASENP (NNP China) (POS 's)) (NNS mines)) (VP (VBP are) (NP (BASENP (DT the) (JJS deadliest)) (PP (IN in) (BASENP (DT the) (NN world)))))) (COLON ;) (S (PP (VBG according) (PP (TO to) (BASENP (NNP Al) (NNP Jazeera)))) (COMMA ,) (S (BASENP (QP (JJ several) (NN thousand)) (NNS miners)) (VP (VP (VBP die) (BASENP (DT each) (NN year))) (PP (JJ due) (PP (TO to) (NP (BASENP (NNS accidents)) (PP (IN in) (BASENP (PRP them)))))))))) (PERIOD .))