With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Wars of the Roses happened in the Common Era.
text_B: Boyno is a village in Kardzhali Municipality , Kardzhali Province , southern Bulgaria .. Province. Provinces of Bulgaria. Kardzhali Province. Kardzhali Province. Municipality. Municipalities of Bulgaria. Kardzhali. Kardzhali Municipality. Kardzhali Municipality. Kardzhali Municipality. Bulgaria. Bulgaria
not_related.