Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: Reserve Brigade, 1st Division, Cavalry Corps, Army of the Potomac | Statement: [Battle of Fairfield, UnionUnit, Reserve Brigade, 1st Division, Cavalry Corps, Army of the Potomac]

Target entity: Reserve Brigade, 1st Division, Cavalry Corps, Army of the Potomac
Context triple: [Battle of Fairfield, UnionUnit, Reserve Brigade, 1st Division, Cavalry Corps, Army of the Potomac]

• A. Cavalry Corps, Army of the Potomac chosen
  The Cavalry Corps, Army of the Potomac was the primary mounted arm of the Union’s principal Eastern army during the American Civil War, responsible for reconnaissance, screening, raiding, and cavalry combat in major campaigns such as Gettysburg and the Overland Campaign.
• B. 1st Brigade, 1st Division, I Corps (Union Army)
  The 1st Brigade, 1st Division, I Corps (Union Army) was a key infantry brigade in the Army of the Potomac that fought in major American Civil War battles, including the Battle of Gettysburg.
• C. 1st Brigade, 1st Division, II Corps (Union Army)
  The 1st Brigade, 1st Division, II Corps (Union Army) was a key infantry brigade in the Army of the Potomac that fought prominently in major Civil War battles, including the Battle of Gettysburg.
• D. 2nd Division, II Corps, Army of the Potomac
  The 2nd Division, II Corps, Army of the Potomac was a key Union infantry division in the American Civil War, noted for its heavy engagement in major Eastern Theater battles such as Antietam, Fredericksburg, Chancellorsville, and Gettysburg.
• E. Cavalry Division, Fifth Army Corps
  The Cavalry Division, Fifth Army Corps was a U.S. Army mounted formation in the Spanish–American War that included units such as the famed 1st United States Volunteer Cavalry, or "Rough Riders."
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: UnionUnit
Context triple: [Battle of Fairfield, UnionUnit, Reserve Brigade, 1st Division, Cavalry Corps, Army of the Potomac]

• A. unionSide
  Indicates that an entity is aligned with, represents, or acts on behalf of a labor union in a labor-related relationship or context.
• B. union
  Indicates that two or more sets are combined into a single set containing all elements that belong to at least one of them.
• C. unionGoal
  Indicates that the entities share a common objective or outcome they aim to achieve together as a unified group.
• D. unionForces chosen
  Indicates that multiple forces are combined into a single, unified force acting together.
• E. UnionForcesType
  Indicates that one entity is associated with, composed of, or characterized by a specific type or category of union forces.
• F. None of above.