With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ulysses S. Grant wrote an autobiography.
text_B: S. Kellogg Stryker -LRB- February 5 , 1902 -- July 20 , 1989 -RRB- , of New York City , was a stamp dealer recognized in the philatelic community as an expert on 19th century and 20th century postage stamps .. New York City. New York City. stamp dealer. stamp dealer
not_related.