(S (S (S (NP (QP (ADVP (IN At) (JJS least)) (NN two)) (NNS people)) (VP (VBD were) (VP (VBN wounded)))) (SBAR (IN after) (S (BASENP (NN two) (NN freight) (NNS trains)) (VP (VP (VP (VBD collided) (PP (IN with) (BASENP (DT each) (JJ other)))) (PP (IN near) (NP (BASENP (NNP Kotri)) (PP (IN in) (BASENP (JJ southern) (NNP Pakistan)))))) (BASENP (NN today)))))) (PERIOD .))