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: Clark Fork River system | Statement: [Bitterroot River, riverSystem, Clark Fork River system]

Target entity: Clark Fork River system
Context triple: [Bitterroot River, riverSystem, Clark Fork River system]

• A. Clark Fork River chosen
  The Clark Fork River is a major river in the northwestern United States that flows through Montana and Idaho, ultimately feeding into Lake Pend Oreille and contributing to the Columbia River system.
• B. Clark Fork River and Bitterroot River
  The Clark Fork River and Bitterroot River are two major rivers in western Montana whose confluence forms a key geographic and ecological feature near the city of Missoula.
• C. Columbia–Snake River System
  The Columbia–Snake River System is a major interconnected network of rivers and reservoirs in the Pacific Northwest that serves as a critical corridor for navigation, hydropower generation, irrigation, and regional commerce.
• D. Bitterroot River
  The Bitterroot River is a scenic trout-rich waterway in western Montana, renowned for fly fishing, wildlife habitat, and its role in shaping the Bitterroot Valley.
• E. Middle Fork Salmon River
  The Middle Fork Salmon River is a renowned free-flowing wilderness river in central Idaho, famous for its whitewater rafting, rugged canyon scenery, and protected status within the Frank Church–River of No Return Wilderness.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.