With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Harry Potter is based solely on a song from 1942.
text_B: High Class White Trash is the first solo album by the rapper , Big B released on January 20 , 2004 , with Suburban Noize Records .. Big B. Big B ( artist ). Suburban Noize Records. Subnoize Records
not_related.