With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: KFC was sold to Heublein in the early 1970s.
text_B: Ahijarve is a settlement in Antsla Parish , Voru County in southeastern Estonia .. Estonia. Estonia. County. Counties of Estonia. Voru County. Voru County. Antsla Parish. Antsla Parish
not_related.