With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Split is only a romance film.
text_B: Africotriton crebriliratus is a species of sea snail , a marine gastropod mollusk in the family Cancellariidae , the nutmeg snails .. Cancellariidae. Cancellariidae. Africotriton. Africotriton. species. species. sea snail. sea snail. gastropod. gastropod. mollusk. mollusk. family. family ( biology )
not_related.