With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Colombia contains a large amount of native species.
text_B: El Asnam , Bouira is a town and commune in Bouira Province , Algeria .. Province. Provinces of Algeria. Bouira Province. Bouira Province. commune. Communes of Algeria. Algeria. Algeria. According to the 1998 census it has a population of 12,060 .
not_related.