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: Rolls-Royce Kestrel V-12 aero engine | Statement: [Rolls-Royce Kestrel (design experience), sourceEngine, Rolls-Royce Kestrel V-12 aero engine]

Target entity: Rolls-Royce Kestrel V-12 aero engine
Context triple: [Rolls-Royce Kestrel (design experience), sourceEngine, Rolls-Royce Kestrel V-12 aero engine]

• A. Rolls-Royce Kestrel engine chosen
  The Rolls-Royce Kestrel engine is a British liquid-cooled V-12 aircraft piston engine of the interwar period that powered numerous notable military aircraft and helped establish Rolls-Royce’s reputation in aero engine design.
• B. Rolls-Royce Avon engine
  The Rolls-Royce Avon engine is a pioneering British axial-flow turbojet developed in the late 1940s that powered numerous military and civilian aircraft, including early jet airliners and fighters.
• C. Rolls‑Royce Vulture engine
  The Rolls‑Royce Vulture engine was a British experimental 24-cylinder X-type aircraft piston engine developed in the late 1930s that, despite powering a few early World War II bombers, was ultimately abandoned due to reliability problems.
• D. Rolls-Royce PV-12 engine
  The Rolls-Royce PV-12 engine, later developed into the famous Merlin, was a liquid-cooled V12 aircraft powerplant that became one of the most important and widely used engines of World War II.
• E. Rolls-Royce Nene engine
  The Rolls-Royce Nene engine is a pioneering late-1940s British centrifugal-flow turbojet whose powerful, compact design significantly advanced early jet aircraft performance and was widely exported and copied worldwide.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: sourceEngine
Context triple: [Rolls-Royce Kestrel (design experience), sourceEngine, Rolls-Royce Kestrel V-12 aero engine]

• A. sourceAvailable
  Indicates that the underlying source code or origin of an entity is accessible or obtainable.
• B. engineName chosen
  Indicates the specific name assigned to an engine associated with an entity.
• C. engineCode
  Indicates a relationship where an entity is associated with a specific engine identification code or designation.
• D. developedEngine
  Indicates that one entity created, designed, or engineered an engine for another entity or purpose.
• E. sourceState
  Indicates the original or starting state from which a transition, change, or process begins.
• F. None of above.