With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sean Connery is Scottish.
text_B: Metulella is a genus of sea snails , marine gastropod mollusks in the family Columbellidae , the dove snails .. Columbellidae. Columbellidae. genus. genus. marine. marine ( ocean ). gastropod. gastropod. family. family ( biology )
not_related.