With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Aix-Marseille-Provence Metropolis encompasses Marseille, Aix-en-Provence, Aubagne, and Martigues.
text_B: Sir Archibald Douglas of Kilspindie -LRB- c. 1475 -- c. 1536 -RRB- , also known as Greysteil , was a Scottish nobleman and courtier , who served as Treasurer of Scotland , and Provost of Edinburgh .. Kilspindie. Kilspindie Castle. Treasurer of Scotland. Treasurer of Scotland. Provost of Edinburgh. Provost of Edinburgh
not_related.