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: Webster–Ashburton Treaty | Statement: [Northwest Angle, boundaryClarifiedBy, Webster–Ashburton Treaty]

Target entity: Webster–Ashburton Treaty
Context triple: [Northwest Angle, boundaryClarifiedBy, Webster–Ashburton Treaty]

• A. Webster–Ashburton Treaty chosen
  The Webster–Ashburton Treaty was an 1842 agreement between the United States and Great Britain that settled long-standing border disputes in the Northeast and improved Anglo-American relations.
• B. Rush–Bagot Agreement
  The Rush–Bagot Agreement was an 1817 accord between the United States and Great Britain that largely demilitarized the Great Lakes and marked a significant step toward peaceful relations and disarmament along the U.S.-Canadian border.
• C. Harris Treaty of 1858
  The Harris Treaty of 1858 was a landmark U.S.–Japan agreement that opened Japanese ports to American trade, granted extraterritorial rights to U.S. citizens, and marked a key step in ending Japan’s isolationist policies.
• D. Methuen Treaty
  The Methuen Treaty was a 1703 commercial agreement between England and Portugal that fostered strong trade ties—especially in wine and textiles—and significantly shaped their political and economic relations in the 18th century.
• E. Oregon Treaty of 1846
  The Oregon Treaty of 1846 was an agreement between the United States and Great Britain that peacefully settled their competing claims in the Pacific Northwest by establishing the 49th parallel as the boundary west of the Rocky Mountains.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: boundaryClarifiedBy
Context triple: [Northwest Angle, boundaryClarifiedBy, Webster–Ashburton Treaty]

• A. boundaryBetween
  Indicates that something serves as a dividing line or limit separating two distinct regions, areas, or entities.
• B. boundaryIdentifiedWith
  Indicates that the boundary of one entity is treated as equivalent to, or merged with, the boundary of another entity.
• C. borderDefinedBy chosen
  Indicates that the boundary or limit of one entity is determined, shaped, or delineated by another entity.
• D. boundaryName
  Indicates the designated name or label assigned to a specific boundary or border between entities.
• E. boundaryReviewRegion
  Indicates that a specified region is under consideration or subject to evaluation in a boundary review process.
• F. None of above.