With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tardigrades have been found only in deserts.
text_B: Testudovolva ericae is a species of sea snail , a marine gastropod mollusk in the family Ovulidae , the ovulids , cowry allies or false cowries .. Ovulidae. Ovulidae. Testudovolva. Testudovolva. species. species. sea snail. sea snail. gastropod. gastropod. mollusk. mollusk. family. family ( biology )
not_related.