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 Railroad mainline | Statement: [Denali Star, railwayLineUsed, Alaska Railroad mainline]

Target entity: Alaska Railroad mainline
Context triple: [Denali Star, railwayLineUsed, Alaska Railroad mainline]

• A. Alaska Railroad chosen
  The Alaska Railroad is a state-owned railway system in Alaska that provides passenger and freight services across key regions including Anchorage, Fairbanks, and coastal ports.
• B. Alaska Northern Railway
  The Alaska Northern Railway was an early 20th-century rail line in Alaska that laid much of the groundwork for what later became the Alaska Railroad.
• C. Metlakatla–Ketchikan route
  The Metlakatla–Ketchikan route is a short Alaska Marine Highway ferry corridor connecting the indigenous community of Metlakatla on Annette Island with the regional hub city of Ketchikan.
• D. Bellingham–Alaska route
  The Bellingham–Alaska route is a long-distance ferry corridor connecting Bellingham, Washington, with multiple coastal communities in Southeast Alaska as part of the Alaska Marine Highway System.
• E. Prince Rupert–Alaska route
  The Prince Rupert–Alaska route is a ferry corridor linking Prince Rupert, British Columbia, with coastal communities in Southeast Alaska as part of the Alaska Marine Highway System.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.