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: Mouth of the Columbia River | Statement: [Lewis and Clark Expedition, destination, Mouth of the Columbia River]

Target entity: Mouth of the Columbia River
Context triple: [Lewis and Clark Expedition, destination, Mouth of the Columbia River]

• A. Columbia River estuary chosen
  The Columbia River estuary is the broad, tidally influenced transition zone where the Columbia River meets the Pacific Ocean, supporting rich ecosystems, major shipping routes, and coastal communities in the Pacific Northwest.
• B. Columbia River Bar
  The Columbia River Bar is a notoriously dangerous sandbar and shipping passage at the mouth of the Columbia River, often called the "Graveyard of the Pacific" due to its treacherous waves and frequent shipwrecks.
• C. Mattole River mouth
  The Mattole River mouth is the remote coastal area where the Mattole River empties into the Pacific Ocean along Northern California’s rugged Lost Coast.
• 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. Strait of Juan de Fuca watershed
  The Strait of Juan de Fuca watershed is the drainage area that channels freshwater from surrounding rivers and lakes into the Strait of Juan de Fuca between Washington State and Vancouver Island.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.