With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: South Korea's main language is easy to learn.
text_B: Heydarabad -LRB- حيدراباد , also Romanized as Heydarabad and Haidarabad -RRB- is a village in Jolgah Rural District , in the Central District of Jahrom County , Fars Province , Iran .. Province. Provinces of Iran. Fars. Fars Province. County. Counties of Iran. Jahrom. Jahrom County. Central. Central District ( Jahrom County ). Rural District. Rural Districts of Iran. Jolgah. Jolgah Rural District. Jolgah Rural District. Jolgah Rural District. Central District. Central District ( Jahrom County ). Jahrom County. Jahrom County. Fars Province. Fars Province. Iran. Iran. At the 2006 census , its population was 6,726 , in 1,449 families .
not_related.