Triple

Target class: attitude control subsystem
Context triple: [Reaction Wheel Assembly on Hubble Space Telescope, instanceOf, attitude control subsystem]

• A. attitude control computer
  An attitude control computer is an onboard system that calculates and commands the necessary control actions to orient and stabilize a vehicle, such as a spacecraft or aircraft, in three-dimensional space.
• B. aerospace engineering subsystem chosen
  An aerospace engineering subsystem is a specialized, interrelated component or functional unit within an aerospace vehicle or system (such as propulsion, avionics, or thermal control) that performs a distinct set of engineering tasks to support overall mission objectives.
• C. Spacelab subsystem
  A Spacelab subsystem is a distinct functional component of the Spacelab space laboratory that performs specialized tasks—such as power, life support, data handling, or experiment support—to enable and sustain scientific operations in orbit.
• D. Space Shuttle subsystem
  A Space Shuttle subsystem is a distinct functional component or collection of components within the Space Shuttle that performs a specific role—such as propulsion, life support, guidance, or power management—to enable safe and effective mission operations.
• E. export control law
  Export control law is the body of legal rules and regulations that govern the transfer of goods, technology, software, and services across national borders to protect national security, foreign policy interests, and international obligations.
• F. None of above.