With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Las Vegas is not the county seat of Clark County.
text_B: Sidoumoukar-Hiro is a village in the Iolonioro Department of Bougouriba Province in south-western Burkina Faso .. Province. Provinces of Burkina Faso. Bougouriba Province. Bougouriba Province. Department. Departments of Burkina Faso. Iolonioro Department. Iolonioro Department. Burkina Faso. Burkina Faso. The village has a population of 132 .
not_related.