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: Alaska river network | Statement: [Indian River (Alaska), partOf, Alaska river network]

Target entity: Alaska river network
Context triple: [Indian River (Alaska), partOf, Alaska river network]

• A. Alaska river system chosen
  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.
• B. 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.
• C. Copper River Basin
  The Copper River Basin is a broad interior region of southcentral Alaska characterized by glacially fed rivers, wetlands, and tundra, known for its rich wildlife habitat and subsistence resources.
• D. Nushagak River basin
  The Nushagak River basin is a major watershed in southwestern Alaska known for its pristine ecosystems and highly productive wild salmon fisheries.
• 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.