With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Dirt is a TV series.
text_B: Stesilea laevifrons is a species of beetle in the family Cerambycidae .. Cerambycidae. Cerambycidae. Stesilea. Stesilea. beetle. beetle. It was described by Breunig in 1943 .
not_related.