With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Greece shares borders with Albania.
text_B: San Justo is a municipality in the province of Zamora , part of the autonomous community of Castile and Leon , Spain .. municipality. municipality. Zamora. Zamora ( province ). autonomous community. autonomous communities of Spain. Castile and Leon. Castile and Leon. It had a population of 304 inhabitants in the 2007 census .
not_related.