With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Big Brother 18 (UK) is hosted by a woman.
text_B: Salah ol Din Mahalleh -LRB- صلاح الدين محله , also Romanized as Salah ol Din Mahalleh , Salah ed Din Mahalleh , and Salah od Din Mahalleh -RRB- is a village in Rudpey-ye Jonubi Rural District , in the Central District of Sari County , Mazandaran Province , Iran .. Province. Provinces of Iran. Mazandaran. Mazandaran Province. County. Counties of Iran. Sari. Sari County. Central. Central District ( Sari County ). Rural District. Rural Districts of Iran. Rudpey-ye Jonubi. Rudpey-ye Jonubi Rural District. Rudpey-ye Jonubi Rural District. Rudpey-ye Jonubi Rural District. Central District. Central District ( Sari County ). Sari County. Sari County. Mazandaran Province. Mazandaran Province. Iran. Iran. At the 2006 census , its population was 437 , in 116 families .
not_related.