With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Hippocrates was alive during BC years.
text_B: Langerud -LRB- لنگرود , also Romanized as Langerud , Langarud , Langrud , and Lankarud ; also known as Langrun -RRB- is a village in Qanavat Rural District , in the Central District of Qom County , Qom Province , Iran .. Province. Provinces of Iran. Qom. Qom County. County. Counties of Iran. Central. Central District ( Qom County ). Rural District. Rural Districts of Iran. Qanavat. Qanavat Rural District. Qanavat Rural District. Qanavat Rural District. Central District. Central District ( Qom County ). Qom County. Qom County. Qom Province. Qom Province. Iran. Iran. At the 2006 census , its population was 1,574 , in 353 families .
not_related.