With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Michael Jackson has a song named Billie Jean.
text_B: Cambuslang Rugby Club are a rugby union side based in Cambuslang , South Lanarkshire , Scotland .. rugby union. rugby union. Cambuslang. Cambuslang. South Lanarkshire. South Lanarkshire. The team was established in 1903 and currently will play in West Regional League West One in season 2015 -- 16 .. West Regional League West One. West Regional Leagues ( Rugby Union ). They play their home games at Coats Park .
not_related.