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: Southern Pacific mainline network | Statement: [Cascade Line, partOf, Southern Pacific mainline network]

Target entity: Southern Pacific mainline network
Context triple: [Cascade Line, partOf, Southern Pacific mainline network]

• A. Union Pacific West Line
  The Union Pacific West Line is a commuter rail route in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, providing daily passenger service as part of the Metra system.
• B. Southern Pacific Railroad
  Southern Pacific Railroad was a major American railroad company that operated extensive rail networks across the western and southwestern United States from the 19th to the late 20th century.
• C. Southern Pacific main line in California’s Central Valley chosen
  The Southern Pacific main line in California’s Central Valley was a major north–south railroad corridor that formed the backbone of freight and passenger rail service through the state’s agricultural heartland.
• D. Union Pacific mainline routes
  Union Pacific mainline routes are the railroad’s primary high-capacity freight corridors that carry long-distance trains across its network, including through major facilities like Bailey Yard.
• E. BNSF Southern Transcon
  The BNSF Southern Transcon is a major high-capacity freight rail corridor across the southern United States, serving as one of BNSF Railway’s primary routes for transcontinental intermodal and merchandise traffic.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.