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: Appomattox Campaign | Statement: [Union, significantEvent, Appomattox Campaign]

Target entity: Appomattox Campaign
Context triple: [Union, significantEvent, Appomattox Campaign]

• A. Appomattox Campaign chosen
  The Appomattox Campaign was the final series of military operations in the American Civil War that led to the surrender of Confederate General Robert E. Lee’s Army of Northern Virginia in April 1865.
• B. Overland Campaign
  The Overland Campaign was a major series of brutal Civil War battles in Virginia in 1864, pitting Ulysses S. Grant’s Union forces against Robert E. Lee’s Army of Northern Virginia in a relentless war of attrition.
• C. Gettysburg Campaign
  The Gettysburg Campaign was a major 1863 Confederate offensive into Union territory during the American Civil War that culminated in the pivotal Battle of Gettysburg.
• D. Second Battle of Winchester
  The Second Battle of Winchester was a major Confederate victory in June 1863 during the American Civil War that opened the Shenandoah Valley for Robert E. Lee’s army and set the stage for the Gettysburg Campaign.
• E. Valley Campaigns of 1864
  The Valley Campaigns of 1864 were a series of American Civil War military operations in Virginia in which Union forces under Philip Sheridan defeated Confederate armies, crippling the South’s use of the Shenandoah Valley as a strategic resource and invasion route.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.