Upper Zeya basin

Target entity: Upper Zeya basin
Context triple: [Stanovoy Highlands, separates, Upper Zeya basin]

• A. 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.
• 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. Lena–Amur watershed system
  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.
• D. Onon River basin
  The Onon River basin is a river drainage area in northeastern Asia that forms part of the headwaters of the Amur River system and supports diverse steppe and forest ecosystems.
• E. 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.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Upper Zeya basin
Target entity description: The Upper Zeya basin is the upper drainage area of the Zeya River in the Russian Far East, characterized by mountainous terrain and extensive taiga landscapes.

• A. 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.
• 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. Lena–Amur watershed system
  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.
• D. Onon River basin
  The Onon River basin is a river drainage area in northeastern Asia that forms part of the headwaters of the Amur River system and supports diverse steppe and forest ecosystems.
• E. 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.
• F. None of above. chosen