With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The screenplay for The Bounty was written by Robert Bolt over the course of 1 month.
text_B: Goat gland transplantation was a quack surgical treatment promoted by John R. Brinkley in the 1920s .. John R. Brinkley. John R. Brinkley. Goat gland may also refer to  :. Goat gland -LRB- filmmaking -RRB- , a term applied c. 1927 -- 1929 , during the period of transition from silent to sound films and referred to an already completed silent film to which one or more talkie sequences were added ; the name was derived by analogy to Brinkley 's goat gland treatment
not_related.