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: First Corps, Army of Northern Virginia | Statement: [James Longstreet, commanded, First Corps, Army of Northern Virginia]

Target entity: First Corps, Army of Northern Virginia
Context triple: [James Longstreet, commanded, First Corps, Army of Northern Virginia]

• A. Second Corps, Army of Northern Virginia
  The Second Corps, Army of Northern Virginia was a major Confederate field corps in the American Civil War, best known for its pivotal role in many Eastern Theater battles under the leadership of General Thomas “Stonewall” Jackson and his successors.
• B. XIII Corps
  XIII Corps was a military formation designation used by several armies, most notably as a corps-level unit in the British and United States armies during major 20th-century conflicts.
• C. French IV Corps
  The French IV Corps was a major corps-sized formation of Napoleon's army that played a significant role in the Waterloo campaign of 1815.
• D. French III Corps
  The French III Corps was a major field formation of Napoleon’s army that played a significant role in the Waterloo campaign of 1815.
• E. II Corps (Union Army of the Potomac)
  II Corps of the Union Army of the Potomac was a major Civil War field corps renowned for its pivotal combat role and heavy engagement in key battles such as Antietam, Fredericksburg, Chancellorsville, and Gettysburg.
• 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: First Corps, Army of Northern Virginia
Triple: [James Longstreet, commanded, First Corps, Army of Northern Virginia]

The First Corps, Army of Northern Virginia was a principal Confederate field corps in the American Civil War, best known for its major role in key Eastern Theater battles under General James Longstreet.

Target entity: First Corps, Army of Northern Virginia
Target entity description: The First Corps, Army of Northern Virginia was a principal Confederate field corps in the American Civil War, best known for its major role in key Eastern Theater battles under General James Longstreet.

• A. Second Corps, Army of Northern Virginia
  The Second Corps, Army of Northern Virginia was a major Confederate field corps in the American Civil War, best known for its pivotal role in many Eastern Theater battles under the leadership of General Thomas “Stonewall” Jackson and his successors.
• B. XIII Corps
  XIII Corps was a military formation designation used by several armies, most notably as a corps-level unit in the British and United States armies during major 20th-century conflicts.
• C. French IV Corps
  The French IV Corps was a major corps-sized formation of Napoleon's army that played a significant role in the Waterloo campaign of 1815.
• D. French III Corps
  The French III Corps was a major field formation of Napoleon’s army that played a significant role in the Waterloo campaign of 1815.
• E. II Corps (Union Army of the Potomac)
  II Corps of the Union Army of the Potomac was a major Civil War field corps renowned for its pivotal combat role and heavy engagement in key battles such as Antietam, Fredericksburg, Chancellorsville, and Gettysburg.
• F. None of above. chosen