With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: There is a country called Cambodia.
text_B: Polish Republic -LRB- Polish  : Rzeczpospolita Polska -RRB- is the official name of the European country Poland .. Poland. Poland. It may also refer to  :. First Polish Republic , applied in hindsight to the Polish -- Lithuanian Commonwealth -LRB- 1569-1795 -RRB-. Second Polish Republic -LRB- 1918-1939 -RRB-. Second Polish Republic. Second Polish Republic. Polish People 's Republic , official name of Poland from 1952 to 1989 , under communist control since 1944. Poland. Poland. Third Polish Republic -LRB- since 1989 -RRB-. Third Polish Republic. Third Polish Republic
not_related.