Triple

Target class: American Civil War military unit grouping
Context triple: [Army of the Potomac (Confederate) units under Nathan G. Evans, instanceOf, American Civil War military unit grouping]

• A. American Civil War military formation chosen
  An American Civil War military formation is an organized grouping of soldiers, typically arranged by branch, size, and tactical function (such as companies, regiments, brigades, divisions, and corps), used by Union and Confederate armies to conduct coordinated combat operations between 1861 and 1865.
• B. Confederate States Army unit
  A Confederate States Army unit is an organized military formation, such as a regiment, battalion, or company, that served under the Confederate States of America during the American Civil War.
• C. Unionists in the American Civil War
  Unionists in the American Civil War were individuals and groups in both Northern and Southern states who remained loyal to the United States federal government and opposed secession, supporting the preservation of the Union by political, economic, or military means.
• D. Union Army logistics operation
  A Union Army logistics operation is the coordinated planning, procurement, transportation, and distribution of supplies, equipment, and personnel to sustain Union forces during the American Civil War.
• E. Union Army operation
  A Union Army operation is a coordinated military action or campaign conducted by Union forces during the American Civil War to achieve specific strategic or tactical objectives.
• F. None of above.