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: [Battle of Fair Oaks, militaryBranch, Union Army of the Potomac]

Target entity: Union Army of the Potomac
Context triple: [Battle of Fair Oaks, militaryBranch, 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. 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.
• C. Army of the Cumberland
  The Army of the Cumberland was a major Union field army in the Western Theater of the American Civil War, noted for its key role in campaigns such as Chickamauga, Chattanooga, and the drive toward Atlanta.
• D. XIII Corps
  XIII Corps was a military formation designation used by several armies, most notably as a corps-level unit in the British and United States armies during major 20th-century conflicts.
• E. Army of Virginia
  The Army of Virginia was a short-lived Union field army in the American Civil War, formed in 1862 under Major General John Pope and best known for its defeat at the Second Battle of Bull Run.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.