(S (S (NP (BASENP (DT A) (NN passenger) (NN train)) (VP (VBG carrying) (NP (NP (QP (ADVP (IN at) (JJS least)) (NN 250)) (NNS people)) (PRN (COMMA ,) (SBAR (WHNP (BASENP (NN many)) (WHPP (IN of) (WHNP (WDT whom)))) (S (VP (VBD were) (BASENP (NNS children))))) (COMMA ,))))) (VP (VP (VP (VBD derailed) (PP (IN in) (BASENP (NNP Serbia-Montenegro)))) (CC and) (VP (VBD drove) (PP (IN into) (BASENP (DT a) (NN ravine))))) (BASENP (NNP Tuesday) (NN afternoon)))) (PERIOD .))