With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Black Sabbath received a book deal from the UK Music Hall of Fame.
text_B: Launcher may refer to  :. Application launcher , a kind of utility software. Application launcher. Comparison of desktop application launchers. Rocket launcher , a device that launches a rocket-propelled projectile. Rocket launcher. Rocket launcher. Grenade launcher , a weapon that launches a specially-designed grenade. Grenade launcher. Grenade launcher. Launch vehicle , a rocket used to carry a payload from Earth 's surface into space. Launch vehicle. Launch vehicle
not_related.