Oregon estuary network

Target entity: Oregon estuary network
Context triple: [Yaquina Bay, partOf, Oregon estuary network]

• A. Klamath River estuary
  The Klamath River estuary is a biologically rich coastal river mouth in northern California where the Klamath River meets the Pacific Ocean, supporting diverse fish, bird, and marine mammal populations.
• B. Sacramento–San Joaquin River Delta
  The Sacramento–San Joaquin River Delta is a vast inland estuarine network of rivers, channels, and wetlands in Northern California that forms the state’s largest freshwater tidal ecosystem and a critical hub for its water supply and agriculture.
• C. Tualatin River
  The Tualatin River is a tributary of the Willamette River in northwestern Oregon, known for flowing through agricultural lands and suburban communities and serving as a key source of irrigation, recreation, and wildlife habitat.
• D. Willamette River
  The Willamette River is a major waterway in northwestern Oregon that flows north through the Willamette Valley and the city of Portland before joining the Columbia River.
• E. Multnomah River
  The Multnomah River is a historic waterway in Oregon whose name, derived from the Indigenous Multnomah people, has been used for various geographic and political entities in the region.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Oregon estuary network
Target entity description: The Oregon estuary network is a system of interconnected coastal estuaries along the Oregon coast that provide critical habitats, support fisheries, and play key roles in regional ecology and water quality.

• A. Klamath River estuary
  The Klamath River estuary is a biologically rich coastal river mouth in northern California where the Klamath River meets the Pacific Ocean, supporting diverse fish, bird, and marine mammal populations.
• B. Sacramento–San Joaquin River Delta
  The Sacramento–San Joaquin River Delta is a vast inland estuarine network of rivers, channels, and wetlands in Northern California that forms the state’s largest freshwater tidal ecosystem and a critical hub for its water supply and agriculture.
• C. Tualatin River
  The Tualatin River is a tributary of the Willamette River in northwestern Oregon, known for flowing through agricultural lands and suburban communities and serving as a key source of irrigation, recreation, and wildlife habitat.
• D. Willamette River
  The Willamette River is a major waterway in northwestern Oregon that flows north through the Willamette Valley and the city of Portland before joining the Columbia River.
• E. Multnomah River
  The Multnomah River is a historic waterway in Oregon whose name, derived from the Indigenous Multnomah people, has been used for various geographic and political entities in the region.
• F. None of above. chosen