With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Gabrielle Union was in Television.
text_B: Purpuricenus linsleyi is a species of beetle in the Cerambycidae family .. Cerambycidae. Cerambycidae. Purpuricenus. Purpuricenus. beetle. beetle. It was described by Chemsak in 1961 .
not_related.