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: [Army of Northern Virginia, engagedIn, Appomattox Campaign]

Target entity: Appomattox Campaign
Context triple: [Army of Northern Virginia, engagedIn, 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. Northern Virginia Campaign
  The Northern Virginia Campaign was a series of American Civil War battles in the summer of 1862 in which Confederate forces under Robert E. Lee drove Union armies out of Virginia, culminating in the Second Battle of Bull Run.
• D. Maryland Campaign
  The Maryland Campaign was Confederate General Robert E. Lee’s first major invasion of the North during the American Civil War in 1862, culminating in the Battle of Antietam.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.