With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bette Davis was forthright.
text_B: ZTV is a cable television operator headquartered in Tsu , Mie Prefecture , Japan .. cable television. cable television. Tsu. Tsu, Mie. Mie Prefecture. Mie Prefecture. Japan. Japan
not_related.