With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Black Panther is a superhero film releasing next year.
text_B: Fine Lady 5 is a Hanoverian horse ridden in show jumping by Canadian Eric Lamaze .. Hanoverian horse. Hanoverian horse. show jumping. show jumping. Eric Lamaze. Eric Lamaze. Riding Fine Lady 5 , Lamaze won an individual bronze medal in the 2016 Summer Olympics .. 2016 Summer Olympics. 2016 Summer Olympics
not_related.