With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: The planet itself is about 0.1 Earth masses, or just twice the mass of Mercury, and is expected to disintegrate in about 100-200 million years.
text_B: The planet itself is about 0.1 Earth masses,, and is expected to disintegrate in about 100 - 200 million years.
entailment.