With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Philanthotoxins are polyamine toxins, a group of toxins isolated from the venom of wasps and spiders which reversibly paralyze their prey.
text_B: Philanthotoxins are polyamine toxins, a group of toxins isolated from the venom of wasps and spiders which immediately but reversibly paralyze their prey.
contradiction.