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: Union Army of the Potomac | Statement: [South Mountain State Battlefield, battlefieldOf, Union Army of the Potomac]

Target entity: Union Army of the Potomac
Context triple: [South Mountain State Battlefield, battlefieldOf, Union Army of the Potomac]

• 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. II Corps, Army of Virginia
  II Corps, Army of Virginia was a major Union field corps that served as one of the principal combat formations of the short-lived Army of Virginia during the American Civil War.
• C. Union V Corps
  Union V Corps was a major infantry formation of the Union Army of the Potomac during the American Civil War, noted for its significant combat role in key battles such as Gettysburg.
• D. Union Army of Northeastern Virginia
  The Union Army of Northeastern Virginia was the primary Federal field army in the Eastern Theater at the outset of the American Civil War, best known for its role in the First Battle of Bull Run in 1861.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.