With no explanation, label text_A→text_B with either "entailment" or "not-entailment".
text_A: Maggie had plans to see a concert. She arrived at the theater on time. "For some reason, there was nobody there." She opened her phone to check for any notices. "Then, she discovered that the concert had been cancelled."
text_B: Maggie takes her phone with her when she leaves starts before Maggie checks her phone
entailment.