With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tommy Lee Jones won the Academy Award for Best Supporting Actor.
text_B: SDB or sdb may refer to  :. Safe deposit box , a type of safe. Safe deposit box. Safe deposit box. Saldanha Bay Airport , South Africa. Saldanha Bay. Saldanha Bay. Schiller-Duval body , a pathologic finding pathognomonic for endodermal sinus tumors -LRB- yolk sac tumors -RRB-. Schiller-Duval body. Schiller-Duval body. Sir Donald Bradman -LRB- 1908-2001 -RRB- , Australian cricketer. Sir Donald Bradman. Sir Donald Bradman. Subdwarf B star -LRB- SdB -RRB-. Subdwarf B star. Subdwarf B star. Sleep Disorder Breathing. Sleep Disorder Breathing. Sleep and breathing
not_related.