With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Mr. Chavez used his Sunday radio and television show to criticize Mr. Fox after last week 's Summit of the Americas , saying Mr. Fox was the U.S. government 's `` cub `` for supporting a U.S.-proposed Western Hemisphere free trade zone .
text_B: Sunday is an artefact
not-entailed.