With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ozzy Osbourne is a denizen of Birmingham.
text_B: Llanrhaeadr could be  :. Llanrhaeadr-ym-Mochnant , a village in Powys , Wales -LRB- historically in Denbighshire until 1974 -RRB-. Llanrhaeadr-ym-Mochnant. Llanrhaeadr-ym-Mochnant. Llanrhaeadr-yng-Nghinmeirch , a village in Denbighshire , Wales. Llanrhaeadr-yng-Nghinmeirch. Llanrhaeadr-yng-Nghinmeirch. Historically , the anglicised spelling of Llanrhaiadr was also used , but has fallen into disuse .
not_related.