With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Coca is produced in Bolivia.
text_B: Coca is any of the four cultivated plants in the family Erythroxylaceae , native to western South America .. family. family ( biology ). Erythroxylaceae. Erythroxylaceae. The plant is grown as a cash crop in Argentina , Bolivia , Colombia , Ecuador , and Peru , even in areas where its cultivation is unlawful .. cash crop. cash crop. Argentina. Argentina. Bolivia. Bolivia. Colombia. Colombia. Ecuador. Ecuador. Peru. Peru. There are some reports that the plant is being cultivated in the south of Mexico as a cash crop and an alternative to smuggling its recreational product cocaine .. cash crop. cash crop. Mexico. Mexico. smuggling. smuggling. cocaine. cocaine. It also plays a role in many traditional Andean cultures as well as the Sierra Nevada de Santa Marta -LRB- see Traditional uses -RRB- .. Andean cultures. Inca Empire. Sierra Nevada de Santa Marta. Sierra Nevada de Santa Marta#Inhabitants. Traditional uses. Coca#Traditional uses. Coca is known throughout the world for its psychoactive alkaloid , cocaine .. cocaine. cocaine. alkaloid. alkaloid. The alkaloid content of coca leaves is relatively low , between 0.25 % and 0.77 % .. alkaloid. alkaloid. The native people use it for a stimulant , like coffee , an energy source .. Coca leaf extract had been used in Coca-Cola products since 1885 , with cocaine being completely eliminated from the products in or around 1929 .. leaf. leaf. cocaine. cocaine. Coca-Cola. Coca-Cola. Extraction of cocaine from coca requires several solvents and a chemical process known as an acid  /  base extraction , which can fairly easily extract the alkaloids from the plant .. cocaine. cocaine
related.