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: Union Army | Statement: [15th Alabama Infantry, opponent, Union Army]

Target entity: Union Army
Context triple: [15th Alabama Infantry, opponent, Union Army]

• A. Union Army chosen
  The Union Army was the land-based military force of the United States (the North) during the American Civil War, fighting to preserve the Union and ultimately defeat the Confederacy.
• B. Confederate States Army
  The Confederate States Army was the land warfare force of the secessionist Southern states during the American Civil War, known for figures like Robert E. Lee and Stonewall Jackson.
• C. Army of the Mississippi
  The Army of the Mississippi was a Union field army during the American Civil War that operated primarily in the Western Theater, participating in key campaigns along the Mississippi River and in the Western states.
• D. Army of Tennessee
  The Army of Tennessee was a principal Confederate field army in the Western Theater of the American Civil War, active in major campaigns such as Chickamauga, Chattanooga, and Atlanta.
• E. Federal Army
  The Federal Army, more commonly known as the Union Army, was the land force that fought for the Northern states of the United States during the American Civil War.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.