With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lockheed Martin F-22 Raptor is the property of the Government of U.S.
text_B: Teneng Mba Jaiteh is a Gambian politician who serves as Gambia 's ambassador to the European Union .. Gambia. Gambia. politician. politician. ambassador. ambassador. European Union. European Union
not_related.