With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Freddie Mercury is in the Rock and Roll Hall of Fame.
text_B: Llanishen Golf Club is a golf course in Thornhill , north of Llanishen on the northern outskirts of Cardiff , Wales .. Thornhill. Thornhill, Cardiff. Cardiff. Cardiff. Wales. Wales. Llanishen. Llanishen. It lies across the M4 motorway from Cardiff .. Cardiff. Cardiff. M4 motorway. M4 motorway. The parkland course , which was 5338 yards as of 2005 , is set to the backdrop of Caerphilly Mountain .. Caerphilly Mountain. Caerphilly Mountain
not_related.