With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Article 6 of the Gallup Compression Services Agreement ( which I am sending to you separately ) with ECS obligates ECS to `` work in good faith with CDEC `` to establish an automated system that would automatically have alerted us to peak loading conditions on CDEC 's system .
text_B: The obligating did not happen
not-entailed.