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 | Statement: [Lewis and Clark National Historic Trail, followsRiver, Columbia River]

Target entity: Columbia River
Context triple: [Lewis and Clark National Historic Trail, followsRiver, Columbia River]

• A. Columbia River chosen
  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. Lewis and Clark River
  The Lewis and Clark River is a small coastal river in northwestern Oregon that flows through forested terrain into the Youngs River near Astoria, historically associated with the Lewis and Clark Expedition.
• C. 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.
• D. Green River
  The Green River is a major tributary of the Colorado River that flows through Wyoming, Utah, and Colorado, carving deep canyons and shaping much of the Colorado Plateau’s dramatic landscape.
• E. Green River
  Green River was an influential mid-1980s Seattle grunge band whose members later formed prominent groups like Pearl Jam and Mudhoney.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.