With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Pink Floyd was inducted into the UK Music Hall of Fame in 2010.
text_B: Rimella fissurella is an extinct species of fossil sea snail , a marine gastropod mollusk in the family Strombidae , the true conchs .. Rimella. Rimella ( gastropod ). extinct. extinct. species. species. fossil. fossil. sea snail. sea snail. marine. marine ( ocean ). gastropod. gastropod. mollusk. mollusk. Strombidae. Strombidae. This species is found from the Paleocene to the Oligocene of Europe .. Paleocene. Paleocene. Oligocene. Oligocene. species. species. Europe. Europe
not_related.