With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: 1948 is the year Scott Smith (activist) was born.
text_B: Vokesimurex rectirostris , common name  : the erect-spined murex , is a species of sea snail , a marine gastropod mollusk in the family Muricidae , the murex snails or rock snails .. Muricidae. Muricidae. Vokesimurex. Vokesimurex. species. species. sea snail. sea snail. gastropod. gastropod. mollusk. mollusk. family. family ( biology )
not_related.