With no explanation, label text_A→text_B with either "entailment" or "not-entailment".
text_A: Sam bought a new phone. He left it charging overnight. The battery exploded and caused a small fire. Sam sued the company and had his things replaced. "He got a different kind of phone, though."
text_B: He was angry. starts before the battery exploded and caused a small fire
not-entailment.