Coos Bay estuary

Target entity: Coos Bay estuary
Context triple: [Oregon estuary network, hasPart, Coos Bay estuary]

• 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. Columbia River estuary
  The Columbia River estuary is the broad, tidally influenced transition zone where the Columbia River meets the Pacific Ocean, supporting rich ecosystems, major shipping routes, and coastal communities in the Pacific Northwest.
• C. Yaquina Bay
  Yaquina Bay is a coastal estuary on the central Oregon coast known for its rich marine ecosystems, fisheries, and role as a hub for marine research and recreation.
• D. Willapa Bay
  Willapa Bay is a large, shallow estuarine bay on the southwest coast of Washington State, known for its rich shellfish beds, wildlife habitat, and relatively undeveloped shoreline.
• E. Dungeness River
  The Dungeness River is a salmon-bearing river on Washington State’s Olympic Peninsula that flows from the Olympic Mountains to the Strait of Juan de Fuca.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Coos Bay estuary
Target entity description: Coos Bay estuary is a major coastal estuarine system on the southern Oregon coast, known for its extensive tidal flats, rich marine and bird habitats, and role in regional fisheries and shipping.

• 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. Columbia River estuary
  The Columbia River estuary is the broad, tidally influenced transition zone where the Columbia River meets the Pacific Ocean, supporting rich ecosystems, major shipping routes, and coastal communities in the Pacific Northwest.
• C. Yaquina Bay
  Yaquina Bay is a coastal estuary on the central Oregon coast known for its rich marine ecosystems, fisheries, and role as a hub for marine research and recreation.
• D. Willapa Bay
  Willapa Bay is a large, shallow estuarine bay on the southwest coast of Washington State, known for its rich shellfish beds, wildlife habitat, and relatively undeveloped shoreline.
• E. Dungeness River
  The Dungeness River is a salmon-bearing river on Washington State’s Olympic Peninsula that flows from the Olympic Mountains to the Strait of Juan de Fuca.
• F. None of above. chosen