With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: The 12-day festival [ which ran through May 4 ] was created to revive the economy in lower Manhattan after the September 11th , 2001 terrorist attacks on the United States , and to provide a showcase for films from abroad that might otherwise go unseen in the U.S .
text_B: May is an artefact
not-entailed.