(S (S (S (S (BASENP (DT A) (NN freight) (NN train)) (VP (VBD was) (PP (IN on) (NP (BASENP (DT the) (NN track)) (PP (IN near) (BASENP (DT the) (NNP Kotri) (NN railway) (NN station))))))) (SBAR (WHADVP (WRB when)) (S (NP (NP (BASENP (DT a) (JJ Hyderabad-bound) (NN freight) (NN train)) (VP (VBG coming) (PP (IN from) (BASENP (NNP Karachi))))) (PRN (COMMA ,) (VP (VBN loaded) (PP (IN with) (BASENP (NN oil) (NNS drums)))) (COMMA ,))) (VP (VBD hit) (BASENP (PRP it)))))) (CC and) (S (BASENP (DT a) (NN fire)) (VP (VBD broke) (PRT (RP out))))) (PERIOD .))