With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sarah Michelle Gellar co-founded a cooking and lifestyle company that sells baking kits for children.
text_B: The Chairman of the African Union is the ceremonial head of the African Union elected by the Assembly of Heads of State for a one-year term .. the Assembly. Assembly of the African Union. African Union. African Union. Assembly of Heads of State. Assembly of the African Union. It rotates among the continent 's five regions .. regions. Regions of the African Union
not_related.