With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Catalyst came off the fourth album by Linkin Park.
text_B: Valdieu-Lutran -LRB- Gottesthal-Luttern -RRB- is a commune in the Haut-Rhin department in Alsace in north-eastern France .. commune. Communes of France. Haut-Rhin. Haut-Rhin. department. Departments of France. Alsace. Alsace. France. France
not_related.