With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Also , a week after the work , Phet called me up to see how my car was running and to let me know that they had accidentally overcharged me for part of the work and wanted to give me a refund for that amount .
text_B: The overcharging did not happen
not-entailed.