With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jeff Bezos is an entrepreneur.
text_B: Mind the Gap is a novel published in June 2008 by Bantam Dell .. Bantam Dell. Bantam Dell. It 's a work of collaboration by authors Christopher Golden and Tim Lebbon .. Christopher Golden. Christopher Golden. Tim Lebbon. Tim Lebbon
not_related.