Triple

Target entity: Canada–United States border
Context triple: [Big Island (Lake of the Woods), locatedInOrNear, Canada–United States border]

• A. Canada–United States border chosen
  The Canada–United States border is the world’s longest international land boundary, separating Canada and the United States across diverse terrains from the Atlantic to the Pacific and Arctic Oceans.
• B. Canada–United States border region
  The Canada–United States border region is the extensive transboundary area where the two countries meet, encompassing shared ecosystems, waterways, and communities that require coordinated environmental and policy management.
• C. U.S.–Mexico border
  The U.S.–Mexico border is the international boundary separating the United States and Mexico, stretching from the Pacific Ocean to the Gulf of Mexico and serving as a major focal point for migration, trade, and security issues.
• D. Alaska–British Columbia border
  The Alaska–British Columbia border is the international boundary separating the U.S. state of Alaska from the Canadian province of British Columbia along the Pacific Northwest coast and adjacent inland regions.
• E. Quebec–Ontario border
  The Quebec–Ontario border is the interprovincial boundary in Canada separating the predominantly French-speaking province of Quebec from the predominantly English-speaking province of Ontario, running from the Ottawa River region northward through sparsely populated boreal and subarctic areas.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.