With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Pawn Sacrifice features an actress responsible for defeating the Nazis.
text_B: Longoonops is a genus of spiders in the Oonopidae family .. Oonopidae. Oonopidae. It was first described in 2010 by Platnick & Duperre .. , it contains 6 species .
not_related.