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: Athabasca River system | Statement: [Willow River (Alberta), hydrologicalSystem, Athabasca River system]

Target entity: Athabasca River system
Context triple: [Willow River (Alberta), hydrologicalSystem, Athabasca River system]

• A. Athabasca River chosen
  The Athabasca River is a major glacier-fed waterway in western Canada that flows through the Rocky Mountains and northern Alberta, playing a key role in the region’s ecology, history, and resource development.
• B. Mackenzie River
  The Mackenzie River is the longest river system in Canada, flowing through the Northwest Territories to the Arctic Ocean and draining a vast portion of northwestern North America.
• C. Mackenzie River
  The Mackenzie River is a significant river in Central Queensland, Australia, that contributes to the Fitzroy River catchment and supports regional agriculture and ecosystems.
• D. Mackenzie River Basin
  The Mackenzie River Basin is a vast watershed in northwestern Canada that collects waters from much of the boreal forest and Arctic regions before draining into the Arctic Ocean.
• E. Saskatchewan River
  The Saskatchewan River is a major waterway in Western Canada that flows eastward from the Rocky Mountains through the provinces of Alberta, Saskatchewan, and Manitoba before emptying into Lake Winnipeg.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.