With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bahrain is an island city.
text_B: Colobothea bisignata is a species of beetle in the family Cerambycidae .. Cerambycidae. Cerambycidae. Colobothea. Colobothea. beetle. beetle. It was described by Bates in 1865 .. It is known from Surinam , French Guiana , Guyana , Peru , Brazil , Ecuador .. Surinam. Surinam. French Guiana. French Guiana. Guyana. Guyana. Peru. Peru. Brazil. Brazil. Ecuador. Ecuador
not_related.