With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Superman is in the DC Universe.
text_B: Crime Buddies is the third album performed by rap group Steady Mobb ` n .. It was released on August 7 , 2001 , through Bomb Shelter  /  Colcash Records  /  Power Recordings and was produced by DJ Daryl .
not_related.