Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: U.S.-Canada border | Statement: [Convention of 1818, involves, U.S.-Canada border]

Target entity: U.S.-Canada border
Context triple: [Convention of 1818, involves, U.S.-Canada 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. 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.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.