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: Tanana Valley | Statement: [Salcha, locatedInRegion, Tanana Valley]

Target entity: Tanana Valley
Context triple: [Salcha, locatedInRegion, Tanana Valley]

• A. Tanana Valley chosen
  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.
• 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. 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.
• D. Selawik River
  The Selawik River is a remote river in northwestern Alaska that flows through the Selawik National Wildlife Refuge before emptying into Selawik Lake near the Kotzebue Sound.
• E. Yukon River
  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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.