With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Kurt Angle is an actor and a wrestler.
text_B: Rhianodes is a genus of spiders in the Barychelidae family .. Barychelidae. Barychelidae. It was first described in 1985 by Raven .. , it contains only one species , Rhianodes atratus .
not_related.