Sea of Okhotsk watershed

Target entity: Sea of Okhotsk watershed
Context triple: [Black Dragon River, tributaryOf, Sea of Okhotsk watershed]

• A. 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.
• B. Ishikari River basin
  The Ishikari River basin is the extensive watershed in central Hokkaido, Japan, that collects and drains the waters of the Ishikari River and its tributaries into the Sea of Japan.
• C. Amur River basin
  The Amur River basin is a vast drainage system in northeastern Asia that encompasses the Amur River and its tributaries, forming a major ecological and geopolitical region shared primarily by Russia, China, and Mongolia.
• D. Fuji River basin
  The Fuji River basin is a river drainage area in central Japan encompassing the Fuji River and its tributaries as they flow from mountainous regions toward the Pacific Ocean.
• E. Kushiro River
  Kushiro River is a major river in eastern Hokkaido, Japan, known for flowing through the Kushiro Shitsugen wetlands, the country’s largest marshland and an important wildlife habitat.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Sea of Okhotsk watershed
Target entity description: The Sea of Okhotsk watershed is the extensive drainage basin whose rivers and streams, including major Siberian tributaries, ultimately flow into the Sea of Okhotsk in the northwest Pacific.

• A. 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.
• B. Ishikari River basin
  The Ishikari River basin is the extensive watershed in central Hokkaido, Japan, that collects and drains the waters of the Ishikari River and its tributaries into the Sea of Japan.
• C. Amur River basin
  The Amur River basin is a vast drainage system in northeastern Asia that encompasses the Amur River and its tributaries, forming a major ecological and geopolitical region shared primarily by Russia, China, and Mongolia.
• D. Fuji River basin
  The Fuji River basin is a river drainage area in central Japan encompassing the Fuji River and its tributaries as they flow from mountainous regions toward the Pacific Ocean.
• E. Kushiro River
  Kushiro River is a major river in eastern Hokkaido, Japan, known for flowing through the Kushiro Shitsugen wetlands, the country’s largest marshland and an important wildlife habitat.
• F. None of above. chosen