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: lower Columbia River | Statement: [Chinook tribe, traditionalTerritory, lower Columbia River]

Target entity: lower Columbia River
Context triple: [Chinook tribe, traditionalTerritory, lower Columbia River]

• A. 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.
• B. Lower Columbia River region chosen
  The Lower Columbia River region is a culturally and ecologically rich area of the Pacific Northwest centered along the lower stretches of the Columbia River, historically home to numerous Indigenous peoples and vital salmon fisheries.
• C. The Dalles–Celilo reach of the Columbia River
  The Dalles–Celilo reach of the Columbia River is a historically and culturally significant stretch of the river in the Pacific Northwest, once renowned for its powerful rapids and rich Indigenous fishing sites before being largely submerged by dam construction.
• D. Columbia River Basin
  The Columbia River Basin is a vast watershed in the Pacific Northwest that drains portions of seven U.S. states and British Columbia into the Columbia River, supporting major ecosystems, agriculture, and hydroelectric power.
• E. Jefferson River
  The Jefferson River is a major tributary of the Missouri River in southwestern Montana, known for its scenic valleys, trout fishing, and role in the Lewis and Clark Expedition.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.