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: Mississippi River campaigns | Statement: [Western Union armies, campaignFocus, Mississippi River campaigns]

Target entity: Mississippi River campaigns
Context triple: [Western Union armies, campaignFocus, Mississippi River campaigns]

• A. 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.
• B. Fort Henry campaign
  The Fort Henry campaign was an early Union offensive in the Western Theater of the American Civil War, led by Ulysses S. Grant to secure control of the Tennessee River and open a pathway into the Confederate heartland.
• C. Capture of New Orleans
  The Capture of New Orleans was a pivotal 1862 Union naval and land operation during the American Civil War that seized the Confederacy’s largest city and key Gulf Coast port, dealing a major strategic and economic blow to the South.
• D. Siege of Vicksburg chosen
  The Siege of Vicksburg was a pivotal 1863 Union campaign in the American Civil War that secured control of the Mississippi River and split the Confederacy in two.
• E. Fort Donelson campaign
  The Fort Donelson campaign was a major early Union offensive in the American Civil War that secured key Confederate forts in Tennessee, opened vital rivers for Northern advances, and elevated Ulysses S. Grant to national prominence.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.