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: Army of the Potomac units | Statement: [Battle of Ball's Bluff, UnionForces, Army of the Potomac units]

Target entity: Army of the Potomac units
Context triple: [Battle of Ball's Bluff, UnionForces, Army of the Potomac units]

• A. Army of the Potomac chosen
  The Army of the Potomac was the principal Union field army in the Eastern Theater of the American Civil War, best known for its major campaigns against Confederate forces in Virginia.
• B. III Corps, Army of the Potomac
  III Corps, Army of the Potomac was a major Union infantry corps in the American Civil War, noted for its hard fighting and heavy losses in key battles such as Gettysburg.
• C. V Corps (Army of the Potomac)
  V Corps (Army of the Potomac) was a major Union Army corps in the American Civil War, noted for its prominent role in many key Eastern Theater battles under commanders such as Fitz John Porter and Gouverneur K. Warren.
• D. IX Corps, Army of the Potomac
  IX Corps, Army of the Potomac was a major Union infantry corps in the American Civil War, noted for its extensive combat service in the Eastern Theater under generals such as Ambrose Burnside and its participation in key campaigns including the Overland and Petersburg operations.
• E. Cavalry Corps, Army of the Potomac
  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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: UnionForces
Context triple: [Battle of Ball's Bluff, UnionForces, Army of the Potomac units]

• A. UnionForcesType
  Indicates that one entity is associated with, composed of, or characterized by a specific type or category of union forces.
• B. unionForces chosen
  Indicates that multiple forces are combined into a single, unified force acting together.
• C. USForces
  Indicates the presence, involvement, or deployment of United States military forces in relation to a specified location, event, or entity.
• D. alliedForces
  Indicates that multiple entities are cooperating militarily or strategically as part of the same alliance or coalition.
• E. primaryUnionArmy
  Indicates that the subject served as the main or principal army force for the Union side in a given conflict or context.
• F. None of above.