(S (S (NP (NP (BASENP (DT The) (NNP UK) (NNP Ministry)) (PP (IN of) (BASENP (NNP Defense)))) (PRN (LRB -LRB-) (BASENP (NNP MoD)) (RRB -RRB-))) (VP (VP (VBD confirmed) (PP (IN in) (NP (BASENP (DT a) (NN news) (NN release)) (PRN (COMMA ,) (NP (BASENP (NNP March) (NN 21)) (COMMA ,) (NN 2007)) (COMMA ,))))) (SBAR (IN that) (S (BASENP (NN two) (ADJP (JJ Royal) (JJ Navy)) (NN crew) (NNS members)) (VP (VBD had) (VP (VBN been) (VP (VP (VBN killed) (PP (IN in) (NP (BASENP (DT an) (NN accident)) (PP (IN aboard) (NP (BASENP (JJ nuclear) (NN submarine)) (BASENP (NNP HMS) (NNP Tireless))))))) (PP (ADVP (RBR earlier)) (PP (IN in) (BASENP (DT the) (NN day))))))))))) (PERIOD .))