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: Convention of 1818 | Statement: [Era of Good Feelings, significantEvent, Convention of 1818]

Target entity: Convention of 1818
Context triple: [Era of Good Feelings, significantEvent, Convention of 1818]

• A. Convention of 1818 chosen
  The Convention of 1818 was an agreement between the United States and Great Britain that settled parts of the U.S.-Canada boundary and established joint occupation of the Oregon Country.
• B. 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.
• C. Adams–Onís Treaty
  The Adams–Onís Treaty was an 1819 agreement between the United States and Spain that ceded Florida to the U.S. and defined the boundary between U.S. and Spanish territories in North America.
• D. Treaty of Fort Finney
  The Treaty of Fort Finney was a 1786 agreement in which several Shawnee leaders ceded large tracts of land in the Ohio River Valley to the United States, helping set the stage for escalating conflicts that became the Northwest Indian War.
• E. Pinckney's Treaty
  Pinckney's Treaty was a 1795 agreement between the United States and Spain that settled territorial disputes and granted Americans navigation rights on the Mississippi River and access to the port of New Orleans.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.