With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Andrew Wood was an alt-hip hop musician.
text_B: Robert Creighton Buck -LRB- 30 August 1920 Cincinnati -- 1 February 1998 Wisconsin -RRB- , usually quoted as R. Creighton Buck , was an American mathematician who , with Ralph Boas , introduced Boas -- Buck polynomials .. Cincinnati. Cincinnati. Ralph Boas. Ralph P. Boas, Jr. He taught at University of Wisconsin -- Madison for 40 years .. In addition , he was a writer .
not_related.