With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Rolling Stones had Bill Wyman as a bassist.
text_B: IBAC may refer to  :. IBAC -LRB- cycling team -RRB-. in-band adjacent-channel. in-band adjacent-channel. in-band adjacent-channel. Identity-based access control. Identity-based access control. Identity-based access control. Independent Broad-based Anti-corruption Commission -LRB- Victoria -RRB-. Independent Broad-based Anti-corruption Commission. Independent Broad-based Anti-corruption Commission. Ibac is a fictional Fawcett Comics and DC Comics supervillain , and a foe of Captain Marvel .. Fawcett Comics. Fawcett Comics. DC Comics. DC Comics. supervillain. supervillain. Captain Marvel. Captain Marvel ( DC Comics )
not_related.