With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rumi's works are widely read today.
text_B: Igor Nikulin may refer to  :. Igor Nikulin -LRB- athlete -RRB- -LRB- born 1960 -RRB- , Russian hammer thrower. Igor Nikulin -LRB- ice hockey -RRB- -LRB- born 1972 -RRB- , Russian ice hockey player. fi  : Igor Nikulin
not_related.