With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Iran had a public feud with Britney Spears in 1999.
text_B: Billy Stead , born John William Stead , -LRB- 18 September 1877 -- 21 July 1958 -RRB- was a rugby union player born in Invercargill who played for New Zealand , the All Blacks , on their 1905 -- 06 tour .. Invercargill. Invercargill. New Zealand. New Zealand national rugby union team. rugby union. rugby union. All Blacks. New Zealand national rugby union team. Stead also played provincially for Southland , and later coached various teams , including Southland and the New Zealand Maori .. Southland. Southland Rugby Football Union. New Zealand. New Zealand national rugby union team. New Zealand Maori. Maori All Blacks. A bootmaker by trade , he also co-authored The Complete Rugby Footballer with Dave Gallaher , and was a columnist for the Southland Times , and New Zealand Truth .. Southland. Southland Rugby Football Union. New Zealand. New Zealand national rugby union team. Dave Gallaher. Dave Gallaher
not_related.