With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Nicola is Sue Vertue's middle name.
text_B: Barsinella asuroides is a moth of the Arctiidae family .. Arctiidae. Arctiidae. Barsinella. Barsinella. moth. moth. It is found in French Guyana .. French Guyana. French Guyana
not_related.