Triple

Target class: United States Colored Troops precursor unit
Context triple: [1st South Carolina Volunteers (Union), instanceOf, United States Colored Troops precursor unit]

• A. United States Colored Troops unit chosen
  A United States Colored Troops unit is a Civil War-era military formation composed primarily of African American enlisted soldiers, often led by white officers, organized under the U.S. Army to fight for the Union.
• B. African American infantry regiment
  An African American infantry regiment is a military unit composed primarily of Black soldiers organized for ground combat operations, historically formed under racially segregated structures within the armed forces.
• C. 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.
• D. Union Army infantry division
  A Union Army infantry division was a mid-level Civil War combat formation composed of multiple infantry brigades, supporting artillery, and staff, organized to conduct sustained offensive and defensive operations under a divisional commander.
• E. U.S. Army regiment
  A U.S. Army regiment is a traditional military unit designation that historically grouped multiple battalions or companies under a common lineage and identity, now used primarily for organizational, administrative, and ceremonial purposes rather than as a primary tactical formation.
• F. None of above.