Triple

Target entity: Fraser River
Context triple: [Fraser River Delta, formedBy, Fraser River]

• A. Fraser River chosen
  The Fraser River is the longest river within British Columbia, Canada, flowing from the Rocky Mountains to the Pacific Ocean and serving as a major waterway for ecology, fisheries, and regional commerce in the Pacific Northwest.
• B. Kootenay River
  The Kootenay River is a major river in the Pacific Northwest that flows through British Columbia, Montana, and Idaho before joining the Columbia River.
• C. Thompson River
  The Thompson River is a major river in British Columbia, Canada, known for its role in the province’s interior drainage system and its confluence with the Fraser River near Lytton.
• D. Okanagan River
  The Okanagan River is a major waterway in British Columbia and Washington State that drains Okanagan Lake and flows south into the Columbia River, supporting agriculture, ecosystems, and communities along its course.
• E. Skeena River
  The Skeena River is a major waterway in northwestern British Columbia, Canada, central to the culture, history, and economy of Indigenous peoples such as the Tsimshian.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.