With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: In 2012, Iggy Azalea signed a recording contract with a record company.
text_B: John Ganson -LRB- January 1 , 1818 -- September 28 , 1874 -RRB- was an American lawyer and politician from New York .. New York. New York ( state )
not_related.