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: RD-107 | Statement: [Vostok-K rocket, firstStageEngineType, RD-107]

Target entity: RD-107
Context triple: [Vostok-K rocket, firstStageEngineType, RD-107]

• A. S-200 Angara/Vega/Dubna
  The S-200 Angara/Vega/Dubna is a long-range Soviet surface-to-air missile system designed primarily for high-altitude air defense against strategic bombers and other aerial targets.
• B. Klimov RD-33 turbofan
  The Klimov RD-33 is a Russian low-bypass afterburning turbofan engine developed in the Soviet era, best known for powering the MiG-29 fighter aircraft and its derivatives.
• C. J-2
  The J-2 was a liquid-fueled rocket engine used on NASA’s Saturn rockets to power upper stages during the Apollo and early Skylab missions.
• D. RL10
  RL10 is a family of high-performance, liquid hydrogen–liquid oxygen cryogenic rocket engines developed by Aerojet Rocketdyne and widely used on U.S. upper stages such as Centaur and Delta IV.
• E. Turbo-Union RB199
  The Turbo-Union RB199 is a tri-nationally developed afterburning turbofan jet engine used to power the Panavia Tornado strike 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: RD-107
Triple: [Vostok-K rocket, firstStageEngineType, RD-107]

RD-107 is a Soviet-designed liquid-fueled rocket engine, best known for powering the first stages of early R-7 family launch vehicles used in historic missions like Sputnik and Vostok.

Target entity: RD-107
Target entity description: RD-107 is a Soviet-designed liquid-fueled rocket engine, best known for powering the first stages of early R-7 family launch vehicles used in historic missions like Sputnik and Vostok.

• A. S-200 Angara/Vega/Dubna
  The S-200 Angara/Vega/Dubna is a long-range Soviet surface-to-air missile system designed primarily for high-altitude air defense against strategic bombers and other aerial targets.
• B. Klimov RD-33 turbofan
  The Klimov RD-33 is a Russian low-bypass afterburning turbofan engine developed in the Soviet era, best known for powering the MiG-29 fighter aircraft and its derivatives.
• C. J-2
  The J-2 was a liquid-fueled rocket engine used on NASA’s Saturn rockets to power upper stages during the Apollo and early Skylab missions.
• D. RL10
  RL10 is a family of high-performance, liquid hydrogen–liquid oxygen cryogenic rocket engines developed by Aerojet Rocketdyne and widely used on U.S. upper stages such as Centaur and Delta IV.
• E. Turbo-Union RB199
  The Turbo-Union RB199 is a tri-nationally developed afterburning turbofan jet engine used to power the Panavia Tornado strike aircraft.
• F. None of above. chosen