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 network | Statement: [White River, isPartOf, Yukon river network]

Target entity: Yukon river network
Context triple: [White River, isPartOf, Yukon river network]

• 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. Alaska river system
  The Alaska river system is the extensive network of rivers and tributaries that drain Alaska’s diverse landscapes, supporting rich ecosystems, transportation, and subsistence activities across the state.
• C. Wrangell–St. Elias National Park and Preserve river system
  The Wrangell–St. Elias National Park and Preserve river system is an extensive network of glacially fed rivers and streams in Alaska that drain the park’s vast mountain ranges and wilderness landscapes.
• D. Klondike River
  The Klondike River is a tributary of the Yukon River in Canada’s Yukon Territory, historically famous for the Klondike Gold Rush of the late 1890s.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.