Walla Walla River

Target entity: Walla Walla River
Context triple: [Walla Walla County, Washington, namedAfter, Walla Walla River]

• A. Okanogan River
  The Okanogan River is a north–south flowing river in British Columbia and Washington that drains the Okanagan region into the Columbia River.
• B. Chehalis River
  The Chehalis River is a major river in southwestern Washington State that flows through forested valleys and agricultural lands before emptying into Grays Harbor on the Pacific coast.
• C. Klickitat River
  The Klickitat River is a tributary of the Columbia River in south-central Washington known for its scenic canyon, whitewater recreation, and important salmon and steelhead runs.
• D. Yakima River
  The Yakima River is a significant river in south-central Washington State that supports extensive irrigation agriculture and diverse ecosystems along its course.
• E. Suiattle River
  The Suiattle River is a glacially fed river in the North Cascades of Washington State, originating on the slopes of Glacier Peak and flowing through remote forested valleys before joining the Sauk River.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Walla Walla River
Target entity description: The Walla Walla River is a tributary of the Columbia River in the Pacific Northwest, flowing through northeastern Oregon and southeastern Washington and giving its name to Walla Walla County.

• A. Okanogan River
  The Okanogan River is a north–south flowing river in British Columbia and Washington that drains the Okanagan region into the Columbia River.
• B. Chehalis River
  The Chehalis River is a major river in southwestern Washington State that flows through forested valleys and agricultural lands before emptying into Grays Harbor on the Pacific coast.
• C. Klickitat River
  The Klickitat River is a tributary of the Columbia River in south-central Washington known for its scenic canyon, whitewater recreation, and important salmon and steelhead runs.
• D. Yakima River
  The Yakima River is a significant river in south-central Washington State that supports extensive irrigation agriculture and diverse ecosystems along its course.
• E. Suiattle River
  The Suiattle River is a glacially fed river in the North Cascades of Washington State, originating on the slopes of Glacier Peak and flowing through remote forested valleys before joining the Sauk River.
• F. None of above. chosen