(SINV (SINV (QT (DQL ``) (QTC (S (PP (IN As) (BASENP (DT a) (NN precaution))) (COMMA ,) (S (BASENP (DT a) (NN cordon)) (VP (VBZ has) (VP (VBN been) (VP (VP (VBN put) (PP (IN in) (BASENP (NN place)))) (PP (IN around) (BASENP (DT the) (NN scene)))))))) (COMMA ,)) (DQR '')) (SINV (VP (VBD said)) (BASENP (DT another) (NNS police) (NN spokesperson)))) (PERIOD .))