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: Yukon River (lower course) | Statement: [District of Alaska, contains, Yukon River (lower course)]

Target entity: Yukon River (lower course)
Context triple: [District of Alaska, contains, Yukon River (lower course)]

• A. Yukon River chosen
  The Yukon River is a major waterway in northwestern North America that flows through Canada’s Yukon Territory and Alaska to the Bering Sea, historically significant for transportation, Indigenous cultures, and the Klondike Gold Rush.
• B. Tanana River
  The Tanana River is a major tributary of the Yukon River in central Alaska, known for flowing past the city of Fairbanks and playing a key role in the region’s ecology and transportation.
• C. Stikine River
  The Stikine River is a major wild river of northwestern British Columbia and southeastern Alaska, renowned for its deep canyons, rich wildlife habitat, and significance to Indigenous peoples.
• D. Alsek River
  The Alsek River is a major glacial-fed river in northwestern North America that flows through the Yukon and Alaska to the Pacific, renowned for its wild, remote character and world-class wilderness rafting.
• E. Chena River
  The Chena River is a tributary of the Tanana River in interior Alaska that flows through the city of Fairbanks and is central to its recreation, scenery, and occasional flooding.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.