With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: At least two of the eleven known tornadoes were violent events, equal to F4 in intensity on the Fujita scale, based upon observed damages.
text_B: At least two of the eleven known tornadoes were violent events, equal to F4 or F5 in intensity on the Fujita scale, based upon observed damages.
neutral.