With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bon Scott has been in 3 or more Australian bands.
text_B: The Valentines were an Australian pop band active from 1966 -- 1970 , chiefly noted for their lead singers , Bon Scott , who later went on to great success as lead vocalist with AC / DC ; and Vince Lovegrove , who subsequently became a successful music journalist and manager of Divinyls .. AC / DC. AC / DC. Bon Scott. Bon Scott. Vince Lovegrove. Vince Lovegrove. pop. pop music. Divinyls. Divinyls
related.