With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Aneurin Barnard was born in the 20th century.
text_B: Zygaena centaureae is a species of moth in the Zygaenidae family .. Zygaenidae. Zygaenidae. Zygaena. Zygaena ( genus ). moth. moth. It is found in Ukraine and Russia .. Ukraine. Ukraine. Russia. Russia
not_related.