With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Chris Hardwick replaced Kevin James in a show.
text_B: Alexander Gurov may refer to  :. Alexander Gurov -LRB- politician -RRB- -LRB- born 1945 -RRB- , Russian politician. Alexander Gurov -LRB- boxer -RRB- -LRB- born 1971 -RRB- , Ukrainian boxer
not_related.