With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rafael Nadal is from France.
text_B: Anthurium rugulosum is a species of plant in the Araceae family .. Araceae. Araceae. Anthurium. Anthurium. plant. plant. It is endemic to Ecuador .. endemic. Endemism. Ecuador. Ecuador. Its natural habitat is subtropical or tropical moist montane forests .. habitat. habitat. It is threatened by habitat loss .. habitat. habitat. habitat loss. habitat loss
not_related.