With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Black Panther exists solely as a superhero.
text_B: `` Rolling Sevens '' is a song by new wave group ABC , released as the first single from their album Skyscraping .. ABC. ABC ( band ). Skyscraping. Skyscraping. new wave. New wave music
not_related.