With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Music Bank (TV series) has been hosted by a Catholic.
text_B: Otto Olsen -LRB- 12 December 1894 -- 24 October 1989 -RRB- was a Danish modern pentathlete .. modern pentathlete. modern pentathlon. He competed at the 1924 and 1928 Summer Olympics .. 1924 Summer Olympics. 1928 Summer Olympics. 1928 Summer Olympics
not_related.