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: Columbia River region | Statement: [Multnomah people, indigenousTo, Columbia River region]

Target entity: Columbia River region
Context triple: [Multnomah people, indigenousTo, Columbia River region]

• A. Columbia Plateau chosen
  The Columbia Plateau is a vast volcanic and sedimentary region in the Pacific Northwest known for its basalt flows, deep river canyons, and extensive agricultural lands shaped by the Columbia River and its tributaries.
• B. Cascadia
  Cascadia is a bioregion and cultural concept in the Pacific Northwest that encompasses parts of the U.S. and Canadian west coast, known for its temperate rainforests, mountain ranges, and strong environmental identity.
• C. Oregon Country
  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.
• D. Columbia River
  The Columbia River is a major river of the Pacific Northwest that forms much of the border between Oregon and Washington and is vital for hydroelectric power, transportation, and regional ecosystems.
• E. Palouse region
  The Palouse region is a fertile, rolling agricultural area in the northwestern United States, renowned for its distinctive loess hills and extensive wheat and legume farming.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.