With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: BTS is a Korean pop group.
text_B: The history of Argentina is divided by historians into four main parts  : the pre-Columbian time or early history -LRB- up to the sixteenth century -RRB- , the colonial period -LRB- 1530 -- 1810 -RRB- , the period of nation-building -LRB- 1810-1880 -RRB- , and the history of modern Argentina -LRB- from around 1880 -RRB- .. Argentina. Argentina. Prehistory in the present territory of Argentina began with the first human settlements on the southern tip of Patagonia around 13,000 years ago .. Argentina. Argentina. Patagonia. Patagonia. Written history began with the arrival of Spanish chroniclers in the expedition of Juan Diaz de Solis in 1516 to the Rio de la Plata , which marks the beginning of Spanish domination in this region .. Juan Diaz de Solis. Juan Diaz de Solis. Rio de la Plata. Rio de la Plata. In 1776 the Spanish Crown established the Viceroyalty of the Rio de la Plata , an umbrella of territories from which , with the Revolution of May 1810 , began a process of gradual formation of several independent states , including one called the United Provinces of Rio de la Plata .. Rio de la Plata. Rio de la Plata. Spanish Crown. Spanish Crown. Viceroyalty of the Rio de la Plata. Viceroyalty of the Rio de la Plata. Revolution of May 1810. May Revolution. United Provinces of Rio de la Plata. United Provinces of Rio de la Plata. With the declaration of independence on July 9 , 1816 and the military defeat of the Spanish Empire in 1824 , a federal state was formed in 1853-1861 , known today as the Republic of Argentina .. Argentina. Argentina. declaration of independence. Argentine Declaration of Independence. Spanish Empire. Spanish Empire. Republic of Argentina. Republic of Argentina
not_related.