Paraguay–Paraná waterway system

Target entity: Paraguay–Paraná waterway system
Context triple: [Paraguay River, partOf, Paraguay–Paraná waterway system]

• A. Paraguay River
  The Paraguay River is a major South American waterway that flows through Brazil, Bolivia, Paraguay, and Argentina, forming part of the Río de la Plata Basin and serving as a vital route for transport, agriculture, and ecosystems in the region.
• B. Uruguay River
  The Uruguay River is a major South American waterway that forms part of the border between Argentina, Brazil, and Uruguay before joining the Paraná River to create the Río de la Plata estuary.
• C. Iguazu River
  The Iguazu River is a South American river famed for the spectacular Iguazu Falls along the border between Brazil and Argentina.
• D. Paraná River
  The Paraná River is one of South America's longest and most important rivers, flowing through Brazil, Paraguay, and Argentina and serving as a key waterway for transport, hydroelectric power, and regional ecosystems.
• E. Pilcomayo River
  The Pilcomayo River is a major South American river that flows from the Andes through Bolivia, Paraguay, and Argentina before joining the Paraná River.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Paraguay–Paraná waterway system
Target entity description: The Paraguay–Paraná waterway system is a major South American inland navigation corridor that links landlocked regions of countries like Paraguay and Bolivia to the Atlantic Ocean via the Paraguay and Paraná rivers.

• A. Paraguay River
  The Paraguay River is a major South American waterway that flows through Brazil, Bolivia, Paraguay, and Argentina, forming part of the Río de la Plata Basin and serving as a vital route for transport, agriculture, and ecosystems in the region.
• B. Uruguay River
  The Uruguay River is a major South American waterway that forms part of the border between Argentina, Brazil, and Uruguay before joining the Paraná River to create the Río de la Plata estuary.
• C. Iguazu River
  The Iguazu River is a South American river famed for the spectacular Iguazu Falls along the border between Brazil and Argentina.
• D. Paraná River
  The Paraná River is one of South America's longest and most important rivers, flowing through Brazil, Paraguay, and Argentina and serving as a key waterway for transport, hydroelectric power, and regional ecosystems.
• E. Pilcomayo River
  The Pilcomayo River is a major South American river that flows from the Andes through Bolivia, Paraguay, and Argentina before joining the Paraná River.
• F. None of above. chosen