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: 13th Virginia Cavalry Regiment | Statement: [Robert E. Lee Jr., militaryUnit, 13th Virginia Cavalry Regiment]

Target entity: 13th Virginia Cavalry Regiment
Context triple: [Robert E. Lee Jr., militaryUnit, 13th Virginia Cavalry Regiment]

• A. Army of the Shenandoah (Confederate)
  The Army of the Shenandoah (Confederate) was an early Confederate field army operating in the strategically vital Shenandoah Valley of Virginia during the opening phase of the American Civil War.
• B. 26th Yankee Brigade
  The 26th Yankee Brigade is a National Guard infantry brigade of the United States Army with historic roots in Massachusetts’ famed 26th "Yankee" Division.
• C. Armistead's Brigade
  Armistead's Brigade was a Confederate infantry brigade in the Army of Northern Virginia during the American Civil War, noted for its role in Pickett's Charge at the Battle of Gettysburg.
• D. 15th Alabama Infantry
  The 15th Alabama Infantry was a Confederate Civil War regiment best known for its fierce but unsuccessful assault on Union positions at Little Round Top during the Battle of Gettysburg.
• E. 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.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: 13th Virginia Cavalry Regiment
Triple: [Robert E. Lee Jr., militaryUnit, 13th Virginia Cavalry Regiment]

The 13th Virginia Cavalry Regiment was a Confederate cavalry unit from Virginia that served prominently in the Army of Northern Virginia during the American Civil War.

Target entity: 13th Virginia Cavalry Regiment
Target entity description: The 13th Virginia Cavalry Regiment was a Confederate cavalry unit from Virginia that served prominently in the Army of Northern Virginia during the American Civil War.

• A. Army of the Shenandoah (Confederate)
  The Army of the Shenandoah (Confederate) was an early Confederate field army operating in the strategically vital Shenandoah Valley of Virginia during the opening phase of the American Civil War.
• B. 26th Yankee Brigade
  The 26th Yankee Brigade is a National Guard infantry brigade of the United States Army with historic roots in Massachusetts’ famed 26th "Yankee" Division.
• C. Kemper’s Brigade
  Kemper’s Brigade was a Confederate infantry brigade in the Army of Northern Virginia, best known for its role in Pickett’s Charge during the Battle of Gettysburg.
• D. Armistead's Brigade
  Armistead's Brigade was a Confederate infantry brigade in the Army of Northern Virginia during the American Civil War, noted for its role in Pickett's Charge at the Battle of Gettysburg.
• E. 15th Alabama Infantry
  The 15th Alabama Infantry was a Confederate Civil War regiment best known for its fierce but unsuccessful assault on Union positions at Little Round Top during the Battle of Gettysburg.
• F. None of above. chosen