With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Slash is a non-fiction author.
text_B: Prosoplus signatoides is a species of beetle in the family Cerambycidae .. Cerambycidae. Cerambycidae. Prosoplus. Prosoplus. beetle. beetle. It was described by Breuning in 1939 .
not_related.