(S (S (S (BASENP (JJ Federal) (NNS officials)) (VP (VBP have) (VP (VP (VBN fined) (BASENP (NNP Massey))) (BASENP (QP (RB nearly) (NN US) (DOLLAR $) (NN 900,000)))))) (SBAR (IN after) (S (BASENP (JJ numerous) (NN safety) (NNS violations)) (VP (VBD were) (VP (VBN found) (PP (IN at) (NP (BASENP (DT the) (NN mine)) (SBAR (WHNP (WDT that)) (S (VP (VBD suffered) (BASENP (DT the) (NN explosion)))))))))))) (PERIOD .))