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: Alsek–Tatshenshini river system | Statement: [Alsek River, partOf, Alsek–Tatshenshini river system]

Target entity: Alsek–Tatshenshini river system
Context triple: [Alsek River, partOf, Alsek–Tatshenshini river system]

• A. Alsek River chosen
  The Alsek River is a major glacial-fed river in northwestern North America that flows through the Yukon and Alaska to the Pacific, renowned for its wild, remote character and world-class wilderness rafting.
• B. Yentna River
  The Yentna River is a major glacial-fed river in south-central Alaska that flows through remote wilderness before joining the Susitna River.
• 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. Aniak River
  The Aniak River is a significant waterway in western Alaska that flows into the Kuskokwim River and supports local communities, subsistence activities, and salmon fisheries.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.