With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Leighton Meester is a dog.
text_B: Pouteria oppositifolia is a species of plant in the Sapotaceae family .. Sapotaceae. Sapotaceae. Pouteria. Pouteria. plant. plant. It is endemic to Brazil .. endemic. Endemism. Brazil. Brazil. It is threatened by habitat loss .. habitat loss. habitat loss
not_related.