With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Iran 's delegation to Tuesday 's meeting on Tehran 's controversial nuclear program is headed by the country 's deputy national security chief , Javad Vaeidi , and Ali Asghar Soltanieh , Iran 's ambassador to the International Atomic Energy Commission .
text_B: International Atomic Energy Commission is an artefact
not-entailed.