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.

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