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: Army of Mississippi | Statement: [Leonidas Polk, commanded, Army of Mississippi]

Target entity: Army of Mississippi
Context triple: [Leonidas Polk, commanded, Army of Mississippi]

• A. Confederate Army of Mississippi chosen
  The Confederate Army of Mississippi was a major Confederate field army in the Western Theater of the American Civil War, notably commanded by generals such as Albert Sidney Johnston and P.G.T. Beauregard.
• B. 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.
• C. 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.
• D. Army of the Trans-Mississippi
  The Army of the Trans-Mississippi was a major Confederate field army that operated west of the Mississippi River during the American Civil War, overseeing military campaigns in states such as Arkansas, Texas, and Louisiana.
• E. Army of the Gulf
  The Army of the Gulf was a Union field army in the American Civil War that operated primarily along the Gulf Coast, including in the campaigns for New Orleans and Mobile.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.