Big Sioux River

Target entity: Big Sioux River
Context triple: [Interstate 29, followsRiverValley, Big Sioux River]

• A. Minnesota River
  The Minnesota River is a major tributary of the Mississippi River in southern Minnesota, flowing through agricultural and prairie landscapes before joining the Mississippi near the Twin Cities.
• B. Assiniboine River
  The Assiniboine River is a major prairie river in Western Canada that flows through Saskatchewan and Manitoba before joining the Red River at Winnipeg.
• C. Missouri River
  The Missouri River is the longest river in North America, flowing from the Rocky Mountains of western Montana to join the Mississippi River near St. Louis.
• D. Menominee River
  The Menominee River is a major river forming part of the border between Wisconsin and Michigan’s Upper Peninsula, known for its forests, hydroelectric dams, and role as a key tributary in the Great Lakes watershed.
• E. North Saskatchewan River
  The North Saskatchewan River is a major Canadian river that originates in the Rocky Mountains and flows eastward through Alberta and Saskatchewan, including the city of Edmonton, before joining the Saskatchewan River system.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Big Sioux River
Target entity description: The Big Sioux River is a major tributary of the Missouri River that flows through eastern South Dakota and northwestern Iowa, shaping the region’s landscape and serving as an important natural and recreational resource.

• A. Minnesota River
  The Minnesota River is a major tributary of the Mississippi River in southern Minnesota, flowing through agricultural and prairie landscapes before joining the Mississippi near the Twin Cities.
• B. Assiniboine River
  The Assiniboine River is a major prairie river in Western Canada that flows through Saskatchewan and Manitoba before joining the Red River at Winnipeg.
• C. Missouri River
  The Missouri River is the longest river in North America, flowing from the Rocky Mountains of western Montana to join the Mississippi River near St. Louis.
• D. Menominee River
  The Menominee River is a major river forming part of the border between Wisconsin and Michigan’s Upper Peninsula, known for its forests, hydroelectric dams, and role as a key tributary in the Great Lakes watershed.
• E. North Saskatchewan River
  The North Saskatchewan River is a major Canadian river that originates in the Rocky Mountains and flows eastward through Alberta and Saskatchewan, including the city of Edmonton, before joining the Saskatchewan River system.
• F. None of above. chosen