With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Usain Bolt holds state records for the 200 meter event.
text_B: Graphium schubotzi is a butterfly in the family Papilionidae -LRB- swallowtails -RRB- .. Papilionidae. Papilionidae. Graphium. Graphium ( butterfly ). butterfly. butterfly. It is found in eastern Cameroon , the Republic of the Congo , the Central African Republic and the Democratic Republic of the Congo .. Cameroon. Cameroon. Republic of the Congo. Republic of the Congo. Central African Republic. Central African Republic. Democratic Republic of the Congo. Democratic Republic of the Congo. Its habitat consists of the forest / savanna transition zone .. forest. Albertine Rift montane forests. savanna. Tropical and subtropical grasslands, savannas, and shrublands
not_related.