With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A block is also called dead body.
text_B: Oberea manipurensis is a species of beetle in the family Cerambycidae .. Cerambycidae. Cerambycidae. Oberea. Oberea. beetle. beetle. It was described by Breuning in 1961 .
not_related.