With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John Adams was a critique on existing political, economic, and social conditions a the time.
text_B: Oberea sobosana is a species of beetle in the family Cerambycidae .. Cerambycidae. Cerambycidae. Oberea. Oberea. beetle. beetle. It was described by Ohbayashi in 1956 .
not_related.