Triple

Target entity: Peace–Athabasca Delta (via Lake Athabasca system)
Context triple: [Athabasca River, flowsInto, Peace–Athabasca Delta (via Lake Athabasca system)]

• A. Peace–Athabasca Delta chosen
  The Peace–Athabasca Delta is one of the world’s largest inland freshwater deltas, formed by the convergence of the Peace, Athabasca, and Birch rivers in northern Alberta, Canada, and renowned for its rich wetlands and wildlife habitat.
• B. Saskatchewan River Delta
  The Saskatchewan River Delta is one of North America’s largest inland freshwater deltas, a vast wetland complex in central Canada that supports rich biodiversity and important Indigenous and wildlife habitats.
• C. Lake Athabasca
  Lake Athabasca is a large, shallow lake in western Canada known for its uranium-rich region, important fisheries, and location spanning the border between Alberta and Saskatchewan.
• D. Mackenzie River delta
  The Mackenzie River delta is a vast Arctic wetland in northwestern Canada, characterized by a complex network of channels, lakes, and islands that form one of the largest river deltas in North America.
• E. Mackenzie River Basin
  The Mackenzie River Basin is a vast watershed in northwestern Canada that collects waters from much of the boreal forest and Arctic regions before draining into the Arctic Ocean.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.