With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Trolls (soundtrack) is the soundtrack to a movie made by Dreamworks.
text_B: Polypoetes semicoerulea is a moth of the Notodontidae family .. Notodontidae. Notodontidae. Polypoetes. Polypoetes ( moth ). moth. moth. It is found in Colombia .. Colombia. Colombia. This species is unusual for the Polypoetes genus in exhibiting uniformly black wings .. Polypoetes. Polypoetes ( moth )
not_related.