With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bob Arum is the founder of a company based in Las Vegas.
text_B: Robert Arum -LRB- born December 8 , 1931 -RRB- is an American lawyer , boxing promoter and businessman .. boxing. boxing. He is the founder and CEO of Top Rank , a professional boxing promotion company based in Las Vegas .. Top Rank. Top Rank. boxing. boxing. Las Vegas. Las Vegas Valley. He also worked for the US Attorney 's Office for the southern district of New York in the tax division during his legal career before moving into boxing promotion .. boxing. boxing
related.