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: United States cavalry units | Statement: [Victorio's War, belligerent, United States cavalry units]

Target entity: United States cavalry units
Context triple: [Victorio's War, belligerent, United States cavalry units]

• A. 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.
• B. 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.
• C. Cavalry
  Cavalry is a traditional military combat arm historically composed of soldiers mounted on horseback, now often referring to fast, mobile ground or air units.
• D. Union Army Cavalry Corps
  The Union Army Cavalry Corps was the mounted combat branch of the Union Army during the American Civil War, known for its reconnaissance, screening, and raiding operations against Confederate forces.
• 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.