With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Terminator Genisys is a sequel.
text_B: John Nathaniel Couch -LRB- 12 October 1896 in Prince Edward County , Virginia -- 16 December 1986 -RRB- was an American mycologist .. American. United States. mycologist. mycologist. He was a professor at the Department of Botany at the University of North Carolina at Chapel Hill for over six decades .. University of North Carolina at Chapel Hill. University of North Carolina at Chapel Hill
not_related.