(S (S (BASENP (DT The) (NNS websites)) (VP (VBP are) (PP (IN among) (NP (BASENP (NNS thousands)) (PP (IN of) (NP (NNS others) (SBAR (IN that) (S (S (NP (NP (NP (DT the) (NP (JJ Australian) (NP (BASENP (NNPS Communications) (CC and) (NNP Media)) (NNP Authority)))) (PRN (LRB -LRB-) (BASENP (NNP ACMA)) (RRB -RRB-))) (PRN (COMMA ,) (BASENP (DT a) (ADJP (NN government) (VBN owned)) (NN entity)) (COMMA ,))) (VP (VP (VBP block) (BASENP (NN access))) (PP (TO to)))) (SBAR (WHADVP (WRB when)) (S (VP (VBG using) (BASENP (PRPD their) (NN blocking) (NN software))))))))))))) (PERIOD .))