With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Matrix Revolutions was written by two writers that are also siblings.
text_B: Cordelia Naismith is the name of two fictional characters by American writer Lois McMaster Bujold .. Lois McMaster Bujold. Lois McMaster Bujold. One is from the science fiction series the Vorkosigan Saga .. Vorkosigan Saga. Vorkosigan Saga. The other is the title character of the Victorian era Sherlock Holmes short story `` The Adventure of the Lady on the Embankment '' included in her anthology Dreamweaver 's Dilemma .. Victorian era. Victorian era
not_related.