(S (S (S (BASENP (DT This) (NN concern)) (VP (VBZ has) (VP (VBN been) (VP (VP (VBN echoed) (PP (IN in) (BASENP (DT the) (NN past)))) (PP (IN by) (BASENP (DT some) (NN human) (NNS rights) (NNS groups))))))) (COMMA ,) (SINV (QT (DQL ``) (QTC (S (BASENP (PRP It)) (VP (VP (VBZ 's) (ADJP (RB really) (JJ critical))) (SBAR (IN that) (S (BASENP (PRP it)) (VP (VBZ 's) (VP (VBN done) (ADVP (RB right)))))))) (COMMA ,)) (DQR '')) (SINV (VP (VBZ says)) (NP (BASENP (NNP Michael) (NNP Posner)) (COMMA ,) (NP (BASENP (JJ executive) (NN director)) (PP (IN of) (NP (BASENP (DT the) (NNPS Lawyers) (NNP Committee)) (PP (IN for) (BASENP (NNP Human) (NNPS Rights)))))))))) (PERIOD .))