With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bam Margera is a Brazilian.
text_B: John Charles Badcock -LRB- 17 January 1903 -- 29 May 1976 -RRB- , also known as Felix Badcock , was a British rower who competed in the 1928 Summer Olympics and in the 1932 Summer Olympics .. rower. Rowing ( sport ). 1928 Summer Olympics. 1928 Summer Olympics. 1932 Summer Olympics. 1932 Summer Olympics
not_related.