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 Territory (informally before 1848) | Statement: [Oregon Country, knownAs, Oregon Territory (informally before 1848)]

Target entity: Oregon Territory (informally before 1848)
Context triple: [Oregon Country, knownAs, Oregon Territory (informally before 1848)]

• A. Idaho Territory
  Idaho Territory was a historical U.S. territory (1863–1890) in the Pacific Northwest and Mountain West that preceded the state of Idaho.
• B. Oregon Country chosen
  Oregon Country was a vast, historically contested region of the Pacific Northwest in North America, encompassing present-day Oregon, Washington, Idaho, and parts of British Columbia and Wyoming, that was jointly occupied by the United States and Britain in the early 19th century.
• C. Oklahoma Territory
  Oklahoma Territory was a historical U.S. territory in the late 19th and early 20th centuries that preceded the formation of the state of Oklahoma.
• D. Dakota Territory
  Dakota Territory was a 19th-century organized incorporated territory of the United States that once encompassed the areas that later became North Dakota, South Dakota, and parts of neighboring states.
• E. New Mexico Territory
  New Mexico Territory was a large U.S. territorial jurisdiction in the American Southwest, organized in 1850 and encompassing present-day New Mexico and Arizona as well as parts of surrounding states before later being subdivided into smaller territories and states.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.