(S (S (NP (BASENP (NN State) (NNS officials)) (PP (IN in) (NP (NP (BASENP (NNP Queensland)) (COMMA ,) (BASENP (NNP Australia))) (COMMA ,)))) (VP (VBP have) (VP (VBN begun) (S (VP (VBG working) (PP (IN on) (NP (BASENP (DT a) (NN draft) (NN protocol)) (S (VP (TO to) (VP (VP (VB use) (BASENP (NN security) (NNS cameras))) (S (VP (TO to) (VP (VB record) (NP (BASENP (NNS conversations)) (PP (IN in) (BASENP (NNS taxis))))))))))))))))) (PERIOD .))