(S (S (SBAR (WHADVP (WRB When)) (S (NP (BASENP (NNP Grishin)) (CC and) (BASENP (DT the) (NN jeep) (NN driver))) (VP (VBD tried) (S (VP (TO to) (VP (VB pass) (PP (IN by) (BASENP (NN walk))))))))) (S (BASENP (PRP they)) (VP (VBD were) (VP (VP (VBN stopped) (CC and) (VBN threatened)) (S (VP (TO to) (VP (VB be) (VP (VBN put) (PP (IN in) (BASENP (NNS handcuffs))))))))))) (PERIOD .))