With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Brittany Murphy was born on November 10, 1977.
text_B: Morum watsoni is a species of sea snail , a marine gastropod mollusk in the family Harpidae , the harp snails .. Harpidae. Harpidae. Morum. Morum ( gastropod ). species. species. sea snail. sea snail. gastropod. gastropod. mollusk. mollusk. family. family ( biology )
not_related.