With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Barack Obama's presidential library will be built in Chicago.
text_B: George Vaughan -LRB- New Hampshire -RRB- -LRB- 13 April 1676 -- 20 November 1725 -RRB- may be best known for being Lieutenant Governor of the Province of New Hampshire for only one year .. New Hampshire. New Hampshire. Province of New Hampshire. Province of New Hampshire. Lieutenant Governor. Lieutenant Governor. A graduate of Harvard College in 1696 , he was also at various times a merchant , colonel of militia , agent for the province to England , and counsellor .. militia. militia. Harvard College. Harvard College. merchant. merchant. colonel. colonel. agent. agent ( law )
not_related.