(S (S (BASENP (DT The) (JJ Australian) (NN opposition)) (VP (VBZ has) (VP (VP (VBN used) (BASENP (DT the) (NNS comments))) (PP (IN as) (NP (BASENP (DT an) (NN opportunity)) (SBAR (S (VP (TO to) (VP (VB attack) (BASENP (DT the) (NN government))))))))))) (PERIOD .))