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: 6200 Princess Royal | Statement: [LMS Princess Royal Class, notableLocomotive, 6200 Princess Royal]

Target entity: 6200 Princess Royal
Context triple: [LMS Princess Royal Class, notableLocomotive, 6200 Princess Royal]

• A. Rolls-Royce Kestrel
  The Rolls-Royce Kestrel is a British liquid-cooled V-12 aircraft engine widely used in the interwar period and known for powering many early Hawker biplanes and other RAF aircraft.
• B. Bristol Centaurus
  The Bristol Centaurus was a powerful British air-cooled radial aircraft engine developed during World War II and used in several late-war and postwar military aircraft.
• C. Bristol Blenheim
  The Bristol Blenheim was a British twin‑engine light bomber and reconnaissance aircraft widely used by Allied air forces in the early years of World War II.
• D. Rolls‑Royce Welland
  The Rolls‑Royce Welland was the first British production jet engine, powering early Royal Air Force jet fighters during World War II.
• E. Rolls-Royce Eagle
  The Rolls-Royce Eagle was a pioneering British liquid-cooled V12 aircraft engine of World War I, widely used to power frontline bombers and reconnaissance aircraft.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: 6200 Princess Royal
Triple: [LMS Princess Royal Class, notableLocomotive, 6200 Princess Royal]

6200 Princess Royal is the pioneering steam locomotive of the LMS Princess Royal Class, built in the 1930s for high-speed express passenger services on Britain’s West Coast Main Line.

Target entity: 6200 Princess Royal
Target entity description: 6200 Princess Royal is the pioneering steam locomotive of the LMS Princess Royal Class, built in the 1930s for high-speed express passenger services on Britain’s West Coast Main Line.

• A. Rolls-Royce Kestrel
  The Rolls-Royce Kestrel is a British liquid-cooled V-12 aircraft engine widely used in the interwar period and known for powering many early Hawker biplanes and other RAF aircraft.
• B. Bristol Centaurus
  The Bristol Centaurus was a powerful British air-cooled radial aircraft engine developed during World War II and used in several late-war and postwar military aircraft.
• C. Bristol Blenheim
  The Bristol Blenheim was a British twin‑engine light bomber and reconnaissance aircraft widely used by Allied air forces in the early years of World War II.
• D. Rolls‑Royce Welland
  The Rolls‑Royce Welland was the first British production jet engine, powering early Royal Air Force jet fighters during World War II.
• E. Rolls-Royce Eagle
  The Rolls-Royce Eagle was a pioneering British liquid-cooled V12 aircraft engine of World War I, widely used to power frontline bombers and reconnaissance aircraft.
• F. None of above. chosen