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: Copper River Basin | Statement: [Gulkana River, locatedIn, Copper River Basin]

Target entity: Copper River Basin
Context triple: [Gulkana River, locatedIn, Copper River Basin]

• A. Copper River
  The Copper River is a major glacial-fed river in south-central Alaska known for its rich salmon runs, extensive delta, and dramatic canyon landscapes.
• B. Pend Oreille River valley
  The Pend Oreille River valley is a scenic, sparsely populated corridor in northeastern Washington and northern Idaho carved by the Pend Oreille River, known for its forested mountains, wildlife, and outdoor recreation.
• C. Tanana Valley
  The Tanana Valley is a broad interior region of Alaska defined by the Tanana River and known for its boreal forests, permafrost landscapes, and subarctic climate.
• D. Nushagak River basin
  The Nushagak River basin is a major watershed in southwestern Alaska known for its pristine ecosystems and highly productive wild salmon fisheries.
• E. Eyak
  The Eyak are an Indigenous people of south-central Alaska whose traditional homeland centers around the Copper River delta and adjacent Gulf of Alaska coast.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Copper River Basin
Target entity description: The Copper River Basin is a broad interior region of southcentral Alaska characterized by glacially fed rivers, wetlands, and tundra, known for its rich wildlife habitat and subsistence resources.

• A. Copper River
  The Copper River is a major glacial-fed river in south-central Alaska known for its rich salmon runs, extensive delta, and dramatic canyon landscapes.
• B. Pend Oreille River valley
  The Pend Oreille River valley is a scenic, sparsely populated corridor in northeastern Washington and northern Idaho carved by the Pend Oreille River, known for its forested mountains, wildlife, and outdoor recreation.
• C. Tanana Valley
  The Tanana Valley is a broad interior region of Alaska defined by the Tanana River and known for its boreal forests, permafrost landscapes, and subarctic climate.
• D. Nushagak River basin
  The Nushagak River basin is a major watershed in southwestern Alaska known for its pristine ecosystems and highly productive wild salmon fisheries.
• E. Eyak
  The Eyak are an Indigenous people of south-central Alaska whose traditional homeland centers around the Copper River delta and adjacent Gulf of Alaska coast.
• F. None of above. chosen