With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tim Allen worked in American television from 2011 to 2017.
text_B: Cresmatoneta is a genus of spiders in the Linyphiidae family .. Linyphiidae. Linyphiidae. It was first described in 1929 by Simon .. , it contains 3 species .
not_related.