With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bangladesh is an entity that helped found SAARC.
text_B: Fusinus gallagheri is a species of sea snail , a marine gastropod mollusk in the family Fasciolariidae , the spindle snails , the tulip snails and their allies .. Fasciolariidae. Fasciolariidae. Fusinus. Fusinus. species. species. sea snail. sea snail. gastropod. gastropod. mollusk. mollusk. family. family ( biology )
not_related.