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: IX Corps, Army of the Potomac | Statement: [Battle of Fox’s Gap, forceTypeUnion, IX Corps, Army of the Potomac]

Target entity: IX Corps, Army of the Potomac
Context triple: [Battle of Fox’s Gap, forceTypeUnion, IX Corps, Army of the Potomac]

• A. IX Corps, Army of the Potomac chosen
  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.
• B. VI Corps, Army of the Potomac
  VI Corps, Army of the Potomac was a major Union Army corps in the American Civil War, noted for its significant role in campaigns such as the Peninsula, Fredericksburg, Chancellorsville, and the Overland Campaign.
• C. 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.
• D. I Corps (Union Army of the Potomac)
  I Corps was a major Union Army formation in the American Civil War, noted for its prominent role in key battles such as Gettysburg.
• E. XI Corps (Union Army of the Potomac)
  XI Corps was a Union Army corps in the Army of the Potomac composed largely of German-American troops, noted for its controversial performances at battles such as Chancellorsville and Gettysburg.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.