With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Wildfire ’s occurrence throughout the history of terrestrial life invites conjecture that fire must have had pronounced evolutionary effects on most ecosystems ' fauna.
text_B: Wildfire’s occurrence throughout the history of terrestrial life invites conjecture that fire must have had pronounced evolutionary effects on most ecosystems' flora and fauna.
neutral.