With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Melanie Griffith was cast as Tess McGill in Working Girl (1988).
text_B: Courchaton is a commune in the Haute-Saone department in the region of Bourgogne-Franche-Comte in eastern France .. commune. Communes of France. Haute-Saone. Haute-Saone. department. Departments of France. region. Regions of France. Bourgogne-Franche-Comte. Bourgogne-Franche-Comte. France. France
not_related.