With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ethnic Albanians outside of Albania and Kosovo strive to maintain traditional customs.
text_B: In topology , a branch of mathematics , an excisive triad is a triple of topological spaces such that A , B are subspaces of X and X is the union of the interior of A and the interior of B. Note B is not required to be a subspace of A.. topology. topology. subspace. Subspace topology
not_related.