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 Viper turbojet | Statement: [Soko G-4 Super Galeb, powerplant, Rolls-Royce Viper turbojet]

Target entity: Rolls-Royce Viper turbojet
Context triple: [Soko G-4 Super Galeb, powerplant, Rolls-Royce Viper turbojet]

• A. Rolls-Royce Olympus turbojet
  The Rolls-Royce Olympus turbojet is a British axial-flow jet engine best known for powering aircraft such as the Avro Vulcan bomber and later versions of the supersonic airliner Concorde.
• B. Rolls-Royce Pegasus turbofan
  The Rolls-Royce Pegasus turbofan is a unique vectored-thrust jet engine that enables vertical and short takeoff and landing (V/STOL) capability in aircraft such as the Harrier family.
• C. Rolls-Royce Spey turbofan
  The Rolls-Royce Spey turbofan is a British low-bypass jet engine widely used from the 1960s in both military and civilian aircraft for its reliability and compact, efficient design.
• D. Rolls-Royce Adour turbofan
  The Rolls-Royce Adour is a family of low-bypass turbofan engines developed for military trainer and light attack aircraft, noted for their reliability and widespread use in jets such as the SEPECAT Jaguar and BAE Systems Hawk.
• E. Rolls-Royce AE 2100
  The Rolls-Royce AE 2100 is a modern turboprop aircraft engine widely used in military and regional transport aircraft, known for its improved efficiency, power, and reliability over earlier designs.
• 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: Rolls-Royce Viper turbojet
Triple: [Soko G-4 Super Galeb, powerplant, Rolls-Royce Viper turbojet]

The Rolls-Royce Viper turbojet is a compact British jet engine widely used in military trainers and light attack aircraft from the mid-20th century onward.

Target entity: Rolls-Royce Viper turbojet
Target entity description: The Rolls-Royce Viper turbojet is a compact British jet engine widely used in military trainers and light attack aircraft from the mid-20th century onward.

• A. Rolls-Royce Olympus turbojet
  The Rolls-Royce Olympus turbojet is a British axial-flow jet engine best known for powering aircraft such as the Avro Vulcan bomber and later versions of the supersonic airliner Concorde.
• B. Rolls-Royce Pegasus turbofan
  The Rolls-Royce Pegasus turbofan is a unique vectored-thrust jet engine that enables vertical and short takeoff and landing (V/STOL) capability in aircraft such as the Harrier family.
• C. Rolls-Royce Spey turbofan
  The Rolls-Royce Spey turbofan is a British low-bypass jet engine widely used from the 1960s in both military and civilian aircraft for its reliability and compact, efficient design.
• D. Rolls-Royce Adour turbofan
  The Rolls-Royce Adour is a family of low-bypass turbofan engines developed for military trainer and light attack aircraft, noted for their reliability and widespread use in jets such as the SEPECAT Jaguar and BAE Systems Hawk.
• E. Rolls-Royce AE 2100
  The Rolls-Royce AE 2100 is a modern turboprop aircraft engine widely used in military and regional transport aircraft, known for its improved efficiency, power, and reliability over earlier designs.
• F. None of above. chosen