With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Emma has been broadcast on Japanese television.
text_B: Ogok-dong is a dong , neighbourhood of Gangseo-gu in Seoul , South Korea .. dong. dong ( neighbourhood ). Gangseo-gu. Gangseo-gu, Seoul. Seoul. Seoul. South Korea. South Korea. It is a legal dong managed by its administrative dong , Gonghang-dong .. dong. dong ( neighbourhood ). Gonghang-dong. Gonghang-dong
not_related.