(SINV (SINV (QT (DQL ``) (QTC (S (S (BASENP (EX There)) (VP (VBD was) (BASENP (DT a) (NN traffic) (NN jam)))) (CC and) (S (BASENP (PDT all) (DT the) (NNS vehicles)) (VP (VBD were) (VP (VBN stopped))))) (COMMA ,)) (DQR '')) (SINV (VP (VBD said)) (NP (BASENP (NN one) (NN witness)) (COMMA ,) (BASENP (JJ 21-year) (JJ old) (NN shopkeeper) (NNP Mohammad) (NNP Wali))))) (PERIOD .))