With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Harley Quinn worked in Gotham City's Arkham Asylum.
text_B: Luna Petunia is a Canadian animated television series produced by Cirque du Soleil Media with Saban Capital Group .. Cirque du Soleil. Cirque du Soleil. Saban Capital Group. Saban Capital Group. The series premiered on Netflix on December 9 , 2016 .. Netflix. Netflix. The follows the adventures of a little girl named Luna Petunia who plays in a dreamland where she learns how to make the impossible possible .
not_related.