[lemma=superman | tag=POS] [lemma=cape] [□]
[lemma=superman | tag=POS] [lemma=cape] [□=□]
[lemma=superman | tag=POS] [lemma=cape] [!□]
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 .