With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ray Milland worked with Paramount.
text_B: Megaleporinus is a genus of fish in the family Anostomidae native to South America .. Anostomidae. Anostomidae. genus. genus. fish. fish. family. family ( biology ). South America. South America
not_related.