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: Lochsa River headwaters | Statement: [Selway–Bitterroot Wilderness, contains, Lochsa River headwaters]

Target entity: Lochsa River headwaters
Context triple: [Selway–Bitterroot Wilderness, contains, Lochsa River headwaters]

• A. Lochsa River chosen
  The Lochsa River is a wild, free-flowing river in north-central Idaho renowned for its steep gradient, whitewater rafting, and scenic forested canyon.
• B. Columbia River headwaters
  The Columbia River headwaters are the high-elevation source region of the Columbia River in the Canadian Rockies, where meltwater and runoff begin the river’s long course toward the Pacific Ocean.
• C. Vailala River
  The Vailala River is a significant waterway in Papua New Guinea that flows through the Gulf Province to the southern coast, supporting local communities and ecosystems along its course.
• D. Kaweah River headwaters
  The Kaweah River headwaters are the high-elevation source streams of the Kaweah River in the southern Sierra Nevada of California, originating in rugged alpine terrain within and around Sequoia National Park.
• E. Kasilof River
  The Kasilof River is a glacial-fed river on Alaska’s Kenai Peninsula known for its salmon runs and popular sport fishing opportunities.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.