With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Unforgettable is a 2017 film.
text_B: Burden may refer to  :. Burden of proof -LRB- disambiguation -RRB-. Burden -LRB- accounting -RRB- , an old term for overhead -LRB- business -RRB- -LRB- O / H -RRB- costs. Burden , in electrical engineering is the impedance presented to the secondary winding of a Current transformer. Current transformer. Current transformer. Burden , an old term for ship 's tonnage of cargo carrying capacity , from the archaic `` burthen '' or `` byrthen ''. tonnage. tonnage. burthen. burthen
not_related.