With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ava DuVernay is a film distributor.
text_B: Nesioneta benoiti , is a species of spider of the genus Nesioneta .. Nesioneta. Nesioneta. spider. spider. It is endemic to Sri Lanka .. Sri Lanka. Sri Lanka
not_related.