(S (S (BASENP (DT The) (NN system)) (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (VP (VB filter) (PRT (RP out))) (BASENP (NN child) (NN pornography)))))))) (COMMA ,) (SBAR (IN although) (S (BASENP (NNP Wikileaks)) (VP (VP (VP (VBZ points) (PRT (RP out))) (SBAR (S (BASENP (PRP it)) (QT (DQL ``) (VP (MD can) (VP (VB be) (VP (VBN used) (S (VP (TO to) (VP (VB censor) (BASENP (NN anything)))))))) (DQR ''))))) (CC and) (VP (VBZ claims) (QT (DQL ``) (QTC (S (S (NP (BASENP (JJS most) (NNS sites)) (PP (IN on) (BASENP (DT the) (NN list)))) (VP (VP (VBP are) (VP (ADVP (RB still)) (VBN censored))) (PRN (LRB -LRB-) (VP (ADVP (FW i.e)) (VP (MD must) (VP (VB be) (PP (IN on) (BASENP (DT the) (JJ current) (NN list)))))) (RRB -RRB-)))) (COMMA ,) (SBAR (RB even) (SBAR (IN though) (S (BASENP (JJ many)) (VP (VP (VBP have) (VP (ADVP (RB clearly)) (VP (VBN changed) (BASENP (NNS owners))))) (CC or) (VP (VBD were) (VP (ADVP (RB possibly)) (VP (ADVP (RB even)) (VP (ADVP (RB wrongly)) (VP (VBN placed) (PP (IN on) (BASENP (DT the) (NN list))))))))))))) (PERIOD .)) (DQR '')))))))