With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mr. Nobody became a cult film.
text_B: Megalobulimus jaguarunensis is a species of air-breathing land snail , a terrestrial gastropod mollusk in the family Strophocheilidae .. Strophocheilidae. Strophocheilidae. Megalobulimus. Megalobulimus. species. species. land snail. land snail. terrestrial. terrestrial molluscs. gastropod. gastropod. mollusk. mollusk. This species was described from archaeological shell mounds -LRB- Figueirinha II circa 3,549 - 3,822 years CAL BP and Jabuticabeira II circa 1,180 - 3,200 years CAL BP -RRB- , known as sambaquis , located in the city of Jaguaruna , Santa Catarina , southern Brazil .. species. species
not_related.