With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: South America is home to a large river.
text_B: The Orinoco River is one of the longest rivers in South America with a total length of 2,140 km .. South America. South America. Its drainage basin , sometimes called the Orinoquia , covers 880,000 km2 , with 76.3 percent of it in Venezuela and the remainder in Colombia .. drainage basin. drainage basin. Venezuela. Venezuela. Colombia. Colombia. It is the fourth largest river in the world by discharge volume of water .. river. river. discharge. Discharge ( hydrology ). The Orinoco and its tributaries are the major transportation system for eastern and interior Venezuela and the llanos of Colombia .. Venezuela. Venezuela. Colombia. Colombia. llanos. Los Llanos, Venezuela. The Orinoco is extremely diverse and hosts a wide variety of flora and fauna .. ORiNOCO was the brand name for a family of wireless networking technology by Proxim Wireless -LRB- previously Lucent -RRB- .. Proxim Wireless. Proxim Wireless. Lucent. Lucent. These integrated circuits -LRB- codenamed Hermes -RRB- provide wireless connectivity for 802.11-compliant Wireless LANs .. 802.11. 802.11
related.