(S (S (S (CC But) (S (BASENP (NNS police)) (VP (ADVP (RB soon)) (VP (VP (VBD cornered) (BASENP (PRP them))) (PP (IN in) (BASENP (PRPD their) (NN getaway) (NN car))))))) (COMMA ,) (S (BASENP (NNS authorities)) (VP (VBD said)))) (PERIOD .))