With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Frederick Trump was born in Kallstadt in 1991.
text_B: Drupella rugosa , common name  : the rugose drupe , is a species of sea snail , a marine gastropod mollusk in the family Muricidae , the murex snails or rock snails .. Muricidae. Muricidae. Drupella. Drupella. species. species. sea snail. sea snail. gastropod. gastropod. mollusk. mollusk. family. family ( biology )
not_related.