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: Confederate States Army cavalry units | Statement: [Morgan's cavalry, category, Confederate States Army cavalry units]

Target entity: Confederate States Army cavalry units
Context triple: [Morgan's cavalry, category, Confederate States Army cavalry units]

• A. Confederate cavalry chosen
  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. Army of Northern Virginia cavalry corps
  The Army of Northern Virginia cavalry corps was the principal mounted arm of General Robert E. Lee’s Confederate army in the Eastern Theater of the American Civil War, known for its reconnaissance, raiding, and screening operations.
• C. Confederate infantry
  Confederate infantry were the foot soldiers of the Confederate States during the American Civil War, forming the bulk of its combat forces in major battles across the conflict.
• D. United States Cavalry
  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.
• E. California volunteer cavalry
  The California volunteer cavalry was a Union mounted regiment of volunteer soldiers from California that served in the American Civil War, primarily conducting frontier defense and campaigns in the Western territories.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.