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 cavalry | Statement: [Army of the Potomac, branch, Union Army cavalry]

Target entity: Union Army cavalry
Context triple: [Army of the Potomac, branch, Union Army cavalry]

• A. Confederate cavalry
  Confederate cavalry were the mounted troops of the Confederate States Army in the American Civil War, known for their mobility, reconnaissance, and raiding operations behind Union lines.
• B. United States Cavalry chosen
  The United States Cavalry was a historic mounted combat branch of the U.S. Army that played a key role in 19th- and early 20th-century American military campaigns, including the Indian Wars, the Civil War, and the Spanish–American War.
• C. Union Army
  The Union Army was the land-based military force of the United States (the North) during the American Civil War, fighting to preserve the Union and ultimately defeat the Confederacy.
• D. Confederate States Army
  The Confederate States Army was the land warfare force of the secessionist Southern states during the American Civil War, known for figures like Robert E. Lee and Stonewall Jackson.
• E. Army of the Trans-Mississippi
  The Army of the Trans-Mississippi was a major Confederate field army that operated west of the Mississippi River during the American Civil War, overseeing military campaigns in states such as Arkansas, Texas, and Louisiana.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.