With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Black Sabbath are often referred to as trailblazers of a type of rock music that advanced in the late 1960s and early 1970s.
text_B: Jordan participated in the 15th Asian Games , officially known as the XV Asiad held in Doha , Qatar from December 1 to December 15 , 2006 .. Doha. Doha. Jordan. Jordan. 15th Asian Games. 2006 Asian Games. Asiad. Asian Games. Jordan ranked 25th with a lone gold medal and 3 silver medals in this edition of the Asiad .. Jordan. Jordan. Asiad. Asian Games
not_related.