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: Petersburg Campaign | Statement: [United States Colored Troops, notableEngagement, Petersburg Campaign]

Target entity: Petersburg Campaign
Context triple: [United States Colored Troops, notableEngagement, Petersburg Campaign]

• A. Richmond–Petersburg Campaign chosen
  The Richmond–Petersburg Campaign was a prolonged series of American Civil War battles in 1864–1865 in which Union forces sought to cut off and capture the Confederate strongholds of Richmond and Petersburg, leading directly to the collapse of the Confederacy.
• B. Red River campaign
  The Red River campaign was a major but ultimately unsuccessful Union military expedition during the American Civil War aimed at gaining control of western Louisiana and the Red River region.
• C. 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.
• D. 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.
• E. Appomattox Campaign
  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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.