With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Purple spawned a number of albums.
text_B: Tabala is the name of a Roman and Byzantine town and an ancient Bishopric in Lydia .. Roman. Roman empire. Byzantine. Byzantine. town. town. Bishopric. Bishopric. Lydia. Lydia. The site of Tabala is thought to be Dıskaya village of Usak Province in Turkey though Cramer identified it with Tonbaili .. Dıskaya. Dıskaya. Usak Province. Usak Province. Turkey. Turkey. Tonbaili. Tonbaili. Tabala was on the Hermus River , and minted its own coins .. Hermus River. Hermus River. minted. mint ( facility )
not_related.