With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jake Gyllenhaal is in Nightcrawler.
text_B: Ross Kemp  : Battle for the Amazon is a documentary series shown on Sky1 .. Ross Kemp. Ross Kemp. Sky1. Sky1. documentary. Documentary film. series. Television program. The show is hosted by actor Ross Kemp , best known for his role of Grant Mitchell in the show EastEnders .. Ross Kemp. Ross Kemp. Grant Mitchell. Grant Mitchell ( EastEnders ). EastEnders. EastEnders
not_related.