With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bradley Cooper is French.
text_B: Nogometni Klub Istra -LRB- Istra Football Club -RRB- , commonly referred to as NK Istra or simply Istra , is a Croatian football club , from the city of Pula .. football. Association football. Pula. Pula. The club currently plays in the fifth level of the Croatian league system but Istra has also played in the Prva HNL -LRB- 1991 -- 1997 and 1999 -- 2000 -RRB- .. Prva HNL. Prva HNL. Istra was found in 1961 from a merger of NK Pula and NK Uljanik .. Pula. Pula. NK Uljanik. NK Uljanik
not_related.