Lena–Amur watershed system

Target entity: Lena–Amur watershed system
Context triple: [Yablonovy Range, partOf, Lena–Amur watershed system]

• A. Kolyma River basin
  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.
• B. Taimyr River basin
  The Taimyr River basin is a remote Arctic watershed in northern Siberia that drains the Taimyr Peninsula into the Arctic Ocean and supports tundra ecosystems and permafrost landscapes.
• C. Amur River
  The Amur River is a major waterway in northeastern Asia that forms much of the border between Russia and China and supports rich ecosystems and regional trade.
• D. Upper Amur Nanai
  Upper Amur Nanai is a regional dialect of the Tungusic Nanai language spoken by Nanai communities along the upper reaches of the Amur River in the Russian Far East.
• E. Yenisei River valley
  The Yenisei River valley is a vast Siberian river corridor characterized by rugged taiga landscapes, hydroelectric reservoirs, and industrial towns such as Divnogorsk along one of the world’s longest river systems.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Lena–Amur watershed system
Target entity description: The Lena–Amur watershed system is a major hydrological divide in eastern Siberia that separates the drainage basins of the Lena and Amur rivers across a series of mountain ranges and uplands.

• A. Kolyma River basin
  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.
• B. Taimyr River basin
  The Taimyr River basin is a remote Arctic watershed in northern Siberia that drains the Taimyr Peninsula into the Arctic Ocean and supports tundra ecosystems and permafrost landscapes.
• C. Amur River
  The Amur River is a major waterway in northeastern Asia that forms much of the border between Russia and China and supports rich ecosystems and regional trade.
• D. Upper Amur Nanai
  Upper Amur Nanai is a regional dialect of the Tungusic Nanai language spoken by Nanai communities along the upper reaches of the Amur River in the Russian Far East.
• E. Yenisei River valley
  The Yenisei River valley is a vast Siberian river corridor characterized by rugged taiga landscapes, hydroelectric reservoirs, and industrial towns such as Divnogorsk along one of the world’s longest river systems.
• F. None of above. chosen