Kolyma River basin

Target entity: Kolyma River basin
Context triple: [Arctic drainage basin, hasPart, Kolyma River basin]

• A. Zeya River
  The Zeya River is a significant river in Russia’s Far East that flows through Amur Oblast and supports regional hydropower, navigation, and agriculture before joining the Amur River.
• B. Vilyuy River
  The Vilyuy River is a major tributary of the Lena River in eastern Siberia, flowing through the Sakha Republic and known for its remote taiga landscapes and nearby diamond-mining regions.
• C. Yana River basin
  The Yana River basin is a large Arctic drainage area in northeastern Siberia, encompassing the watershed of the Yana River as it flows northward to the Laptev Sea.
• D. Lena River Delta
  The Lena River Delta is a vast Arctic wetland in northern Siberia, Russia, characterized by a complex network of channels, islands, and tundra that forms one of the largest river deltas in the world.
• E. Yenisei River
  The Yenisei River is one of the longest rivers in Asia, flowing northward through Siberia to the Arctic Ocean and forming a major part of the central Eurasian river system.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Kolyma River basin
Target entity description: The Kolyma River basin is a vast, sparsely populated watershed in northeastern Siberia that drains into the Arctic Ocean and is known for its extreme cold, permafrost landscapes, and historical association with Soviet-era labor camps.

• A. Zeya River
  The Zeya River is a significant river in Russia’s Far East that flows through Amur Oblast and supports regional hydropower, navigation, and agriculture before joining the Amur River.
• B. Vilyuy River
  The Vilyuy River is a major tributary of the Lena River in eastern Siberia, flowing through the Sakha Republic and known for its remote taiga landscapes and nearby diamond-mining regions.
• C. Yana River basin
  The Yana River basin is a large Arctic drainage area in northeastern Siberia, encompassing the watershed of the Yana River as it flows northward to the Laptev Sea.
• D. Lena River Delta
  The Lena River Delta is a vast Arctic wetland in northern Siberia, Russia, characterized by a complex network of channels, islands, and tundra that forms one of the largest river deltas in the world.
• E. Yenisei River
  The Yenisei River is one of the longest rivers in Asia, flowing northward through Siberia to the Arctic Ocean and forming a major part of the central Eurasian river system.
• F. None of above. chosen