With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Available evidence suggests that building nests is something all dinosaurs do.
text_B: Durham is an unincorporated community in Walker County , in the U.S. state of Georgia .. unincorporated community. unincorporated community. Walker County. Walker County, Georgia. U.S. state. U.S. state. Georgia. Georgia ( U.S. state )
not_related.