(S (S (ADVP (RB Later)) (COMMA ,) (S (BASENP (PRP it)) (VP (VBZ is) (VP (VBN believed) (SBAR (S (BASENP (PRP he)) (VP (VP (VP (VBD tried) (ADVP (RB unsuccessfully))) (S (VP (TO to) (VP (VP (VB start) (BASENP (DT a) (NN diesel) (NN train))) (PP (IN at) (NP (BASENP (DT a) (NN rail) (NN yard)) (PP (IN in) (BASENP (NNP North) (NNP Melbourne))))))))) (CONJP (COMMA ,) (CC and)) (VP (ADVP (RB then)) (VP (VBD absconded) (S (VP (VBG carrying) (BASENP (DT the) (NNS keys))))))))))))) (PERIOD .))