With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Eddie Vedder was born on Mars.
text_B: Paculla is a genus of spiders in the Tetrablemmidae family .. Tetrablemmidae. Tetrablemmidae. It was first described in 1887 by Simon .. , it contains 8 species .
not_related.