With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: O. J. Simpson received a criminal charge for armed robbery.
text_B: Jack Fishman -LRB- September 30 , 1930 -- December 7 , 2013 -RRB- was an American pharmaceutical researcher from Krakow , Poland .. pharmaceutical. Pharmaceutical industry. In 1961 , along with Mozes J. Lewenstein , he developed the medication naloxone .. naloxone. naloxone
not_related.