With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: The M115/M1 was towed by the M35 Prime Mover gun tractor or a Mack 7⅓ ton 6×6 truck.
text_B: The M115/M1 was towed by a Mack 7⅓ ton 6×6 truck.
entailment.