With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Nigeria is not predicted to become one of the largest economies in the world.
text_B: United Nations Security Council resolution 1209 , adopted unanimously on 19 November 1998 , after recalling resolutions 1170 -LRB- 1998 -RRB- and 1196 -LRB- 1998 -RRB- on Africa , the Council addressed illicit arms flows on the continent .. United Nations Security Council Resolution 1170. United Nations Security Council Resolution 1196
not_related.