(S (S (PP (IN In) (BASENP (NN addition))) (COMMA ,) (S (BASENP (NNP Wikinews)) (VP (VP (VBD invited) (BASENP (NNP Dr.) (NNP Schaper))) (S (VP (TO to) (VP (VB comment) (PP (IN on) (NP (BASENP (DT the) (JJ apparent) (NN discrepancy)) (PP (IN between) (NP (BASENP (PRPD his) (NNS actions)) (CC and) (NP (BASENP (PRPD his) (NN advocacy)) (PP (IN of) (BASENP (JJ free) (NN speech)))))))))))))) (PERIOD .))