Black Warrior River system

Target entity: Black Warrior River system
Context triple: [Lewis Smith Lake, partOfRiverSystem, Black Warrior River system]

• A. Satilla River
  The Satilla River is a blackwater river in southeastern Georgia that flows through coastal plains and wetlands before emptying into the Atlantic Ocean.
• B. Soai Rap River
  The Soai Rap River is a distributary of the Saigon–Dong Nai river system in southern Vietnam that flows through the Mekong Delta region toward the East Sea.
• C. Úpa River
  The Úpa River is a river in the northeastern Czech Republic that flows from the Krkonoše (Giant) Mountains through towns such as Trutnov before joining the Labe (Elbe) River.
• D. Sangha River
  The Sangha River is a significant Central African waterway that flows through the Congo Basin, forming parts of national borders and supporting rich rainforest ecosystems and local communities.
• E. San River
  The San River is a major river in southeastern Poland and western Ukraine, known for flowing through the Carpathian foothills and forming part of the Polish–Ukrainian border.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Black Warrior River system
Target entity description: The Black Warrior River system is a major river network in west-central Alabama that drains a large portion of the state and supports significant ecological, recreational, and industrial activities.

• A. Satilla River
  The Satilla River is a blackwater river in southeastern Georgia that flows through coastal plains and wetlands before emptying into the Atlantic Ocean.
• B. Soai Rap River
  The Soai Rap River is a distributary of the Saigon–Dong Nai river system in southern Vietnam that flows through the Mekong Delta region toward the East Sea.
• C. Úpa River
  The Úpa River is a river in the northeastern Czech Republic that flows from the Krkonoše (Giant) Mountains through towns such as Trutnov before joining the Labe (Elbe) River.
• D. Sangha River
  The Sangha River is a significant Central African waterway that flows through the Congo Basin, forming parts of national borders and supporting rich rainforest ecosystems and local communities.
• E. San River
  The San River is a major river in southeastern Poland and western Ukraine, known for flowing through the Carpathian foothills and forming part of the Polish–Ukrainian border.
• F. None of above. chosen