With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Iran has the most UNESCO World Heritage Sites in the world.
text_B: Political imprisonment in Croatia was a factor in Croatian history during its time in the Yugoslavian state .. Croatia 's political prisoners ' law recognizes those who were imprisoned during the period between December 8 , 1918 -LRB- the establishment of the Kingdom of Serbs , Croats and Slovenes -RRB- and October 8 , 1991 -LRB- the day Croatia severed all ties to Yugoslavia -RRB- .. Yugoslavia. Yugoslavia. Former political prisoners receive compensation for time spent in jail and subsequent time spent unable to secure a job .. Political prisoners are organized into the Croatian Society of Political Prisoners -LRB- Hrvatsko drustvo politickih zatvorenika -RRB-
not_related.