With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Mwai KIBAKI , running as the candidate of the multiethnic , united opposition group , the National Rainbow Coalition ( NARC ) , defeated KANU candidate Uhuru KENYATTA and assumed the presidency following a campaign centered on an anticorruption platform .
text_B: KANU is a natural entity
not-entailed.