With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ancient Egypt coalesced around 3160 BC.
text_B: Adetus vanduzeei is a species of beetle in the family Cerambycidae .. Cerambycidae. Cerambycidae. Adetus. Adetus. beetle. beetle. It was described by Linsley in 1934 .
not_related.