With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Karan Johar wrote the screenplay for Vertigo.
text_B: Rustai-ye Chah-e Malek -LRB- روستاي چاه ملک , also Romanized as Rustai-ye Chah-e Malek ; also known as Shahrak-e Chahmalek -RRB- is a village in Rigan Rural District , in the Central District of Rigan County , Kerman Province , Iran .. Province. Provinces of Iran. Kerman. Kerman Province. County. Counties of Iran. Rigan. Rigan Rural District. Central. Central District ( Rigan County ). Rural District. Rural Districts of Iran. Rigan Rural District. Rigan Rural District. Central District. Central District ( Rigan County ). Rigan County. Rigan County. Kerman Province. Kerman Province. Iran. Iran. At the 2006 census , its population was 456 , in 90 families .
not_related.