With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: The rest of North America is mostly subtropical or temperate, belongs to the Nearctic ecozone, and has many fewer species of South American origin.
text_B: The rest of North America is mostly temperate, belongs to the Nearctic ecozone, and has many fewer species of South American origin.
entailment.