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: PRR K-class Pacifics | Statement: [PRR K2, locomotiveFamily, PRR K-class Pacifics]

Target entity: PRR K-class Pacifics
Context triple: [PRR K2, locomotiveFamily, PRR K-class Pacifics]

• A. PRR K4s
  The PRR K4s was a class of iconic 4-6-2 "Pacific" steam locomotives that served as the primary passenger power for the Pennsylvania Railroad in the first half of the 20th century.
• B. Standard Passenger Pacific of the PRR
  The "Standard Passenger Pacific of the PRR" refers to the Pennsylvania Railroad’s K4s class, a highly successful and iconic 4-6-2 steam locomotive that became the railroad’s primary passenger engine in the early to mid-20th century.
• C. PRR K2 chosen
  The PRR K2 was an early class of steam locomotives used by the Pennsylvania Railroad, serving as a predecessor to the more famous K4s Pacific-type engines.
• D. Union Pacific Big Boy class locomotives
  The Union Pacific Big Boy class locomotives were massive 4-8-8-4 articulated steam engines built for Union Pacific Railroad, famed as some of the largest and most powerful steam locomotives ever constructed.
• E. Nickel Plate Road 2-8-4 Berkshires
  The Nickel Plate Road 2-8-4 Berkshires were powerful high-speed steam freight locomotives famed for their role in hauling fast freight trains across the Nickel Plate Road in the mid-20th century.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.