With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Louis Tomlinson is not an actor.
text_B: Chatzakia is a genus of spiders in the Gnaphosidae family .. Gnaphosidae. Gnaphosidae. It was first described in 2016 by Lissner & Bosmans .. , it contains only one species , Chatzakia balearica .
not_related.