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: Oregon Treaty of 1846 | Statement: [Columbia District (Hudson's Bay Company), relatedTreaty, Oregon Treaty of 1846]

Target entity: Oregon Treaty of 1846
Context triple: [Columbia District (Hudson's Bay Company), relatedTreaty, Oregon Treaty of 1846]

• A. Oregon Treaty of 1846 chosen
  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.
• B. Convention of 1818
  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.
• C. Treaty of Neah Bay
  The Treaty of Neah Bay is an 1855 agreement between the United States and the Makah Tribe that secured Makah whaling and fishing rights in exchange for large land cessions on the Olympic Peninsula.
• D. Webster–Ashburton Treaty
  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.
• E. Treaty of Walla Walla (1855)
  The Treaty of Walla Walla (1855) was an agreement between the U.S. government and several Plateau tribes, including the Yakama, Walla Walla, Cayuse, and Umatilla, that ceded vast Indigenous lands in the Pacific Northwest in exchange for reservations and other promised provisions.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.