With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Zeus is the youngest Olympic gold medalist.
text_B: The Strickland River is a river in the Western Province of Papua New Guinea , and is the largest tributary of the Fly River .. Western Province. Western Province, Papua New Guinea. Fly. Fly River. Fly River. Fly River. Papua New Guinea. Papua New Guinea. tributary. tributary. It was named after Edward Strickland , vice-president of the Geographical Society of Australasia in the 19th century .. Edward Strickland. Edward Strickland. Geographical Society of Australasia. Geographical Society of Australasia
not_related.