(S (S (NP (BASENP (DT The) (JJ last) (NN 12) (NNS pages)) (PP (IN of) (BASENP (DT this) (JJ comprehensive) (NN rebuttal)))) (VP (VBP are) (NP (NP (BASENP (NNS responses)) (PP (TO to) (NP (BASENP (JJ specific) (NN article) (NNS criticisms)) (COMMA ,) (VP (ADVP (RB mainly)) (VP (VBG consisting) (PP (IN of) (NP (BASENP (NNS differences)) (PP (IN of) (NP (BASENP (NN opinion)) (PP (IN on) (NP (BASENP (NN style)) (CC and) (BASENP (NN article) (NN composition))))))))))))) (CONJP (COMMA ,) (CC but)) (NP (BASENP (DT some)) (VP (VBG citing) (NP (BASENP (ADJP (RB outright) (JJ factual)) (NNS errors)) (PP (IN on) (BASENP (NNPS Natures) (NN part))))))))) (PERIOD .))