With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Barack Obama will have a presidential bookstore built in his honor.
text_B: Amara coelebs is a species of beetle of the genus Amara in the Carabidae family .. Carabidae. Carabidae. Amara. Amara ( genus ). species. species. beetle. beetle
not_related.