With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: There is a YouTube video series about the life of Jazz Jennings hosted by Jazz Jennings.
text_B: Paradrillia dainichiensis is a species of sea snail , a marine gastropod mollusk in the family Horaiclavidae.Worldwide Mollusc Species Data Base  : Paradrillia dainichiensis. species. species. sea snail. sea snail. gastropod. gastropod. mollusk. mollusk. family. family ( biology ). Horaiclavidae. Horaiclavidae
not_related.