Triple

Target entity: U.S. Army Test and Evaluation Command
Context triple: [U.S. Army Yuma Proving Ground, controlledBy, U.S. Army Test and Evaluation Command]

• A. U.S. Army Test and Evaluation Command chosen
  The U.S. Army Test and Evaluation Command is the Army’s primary organization responsible for testing, evaluating, and validating the performance and safety of military systems and equipment before they are fielded.
• B. U.S. Army Aberdeen Test Center
  The U.S. Army Aberdeen Test Center is a major Army proving and testing facility that conducts developmental and operational testing of military vehicles, weapons, and equipment at Aberdeen Proving Ground in Maryland.
• C. U.S. Army Research, Development and Engineering Command
  The U.S. Army Research, Development and Engineering Command was a major Army organization responsible for developing and integrating advanced technologies and systems to enhance the capabilities and effectiveness of U.S. soldiers.
• D. Office of the Director of Operational Test and Evaluation
  The Office of the Director of Operational Test and Evaluation is a U.S. Department of Defense organization responsible for independently assessing the effectiveness, suitability, and survivability of military systems through rigorous operational testing.
• E. U.S. Army Materiel Command
  The U.S. Army Materiel Command is a major Army command responsible for the development, procurement, distribution, and sustainment of equipment, supplies, and logistics support for U.S. Army forces worldwide.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.