With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: FC Barcelona is being sued in Barcelona.
text_B: The Fort d'Illange is a fortification located to the south of Thionville in the Moselle department of France .. Thionville. Thionville. France. France. Moselle department. Moselle ( department ). Illange. Illange. It was built by Germany next to the town of Illange in the early 20th century after the annexation of the Moselle following the Franco-Prussian War .. Illange. Illange. Franco-Prussian War. Franco-Prussian War. The Fort d'Illange was part of the Moselstellung , a group of eleven fortresses surrounding Thionville and Metz to guard against the possibility of a French attack aimed at regaining Alsace and Lorraine , with construction taking place between 1905 and 1911 .. Thionville. Thionville. Illange. Illange. Metz. Metz. Alsace. Alsace. Lorraine. Lorraine ( province ). The fortification system incorporated new principals of defensive construction to deal with advances in artillery .. Later forts , such as Illange , embodied innovative design concepts such as dispersal and concealment .. Illange. Illange. These later forts were designed to support offensive operations , as an anchor for a pivoting move by German forces into France .. France. France. The Feste Illangen , as Fort d'Illange was called by the Germans , with Fort de Guentrange and Fort de Koenigsmacker , assured the protection of Thionville against French attack .. Thionville. Thionville. Illange. Illange. Fort de Guentrange. Fort de Guentrange. Fort de Koenigsmacker. Fort de Koenigsmacker. Positioned to the rear of the principal lines of combat in the First World War , the fort never saw combat in that war , but was captured by advancing American forces in the Lorraine Campaign of World War II .. Lorraine Campaign. Lorraine Campaign. Lorraine. Lorraine ( province ). First World War. First World War. World War II. World War II
not_related.