[lemma=superman | tag=POS] [□=□] □
[lemma=superman | tag=POS] [lemma=□] □
[lemma=superman | tag=POS] [tag=□] □
Thus , " Byrne has retconned Superman 's cape so that it is no longer unbreakable " . " Byrne has retconned Superman 's cape so that it is no longer unbreakable .