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 blockade of Charleston | Statement: [The Stone Fleet, setDuring, Union blockade of Charleston]

Target entity: Union blockade of Charleston
Context triple: [The Stone Fleet, setDuring, Union blockade of Charleston]

• A. Union blockade of the Confederacy
  The Union blockade of the Confederacy was a comprehensive naval strategy by the United States during the American Civil War aimed at crippling the Southern economy by preventing the export of cotton and the import of war supplies.
• B. Bombardment of Fort Sumter
  The Bombardment of Fort Sumter was the April 1861 Confederate artillery attack on a U.S. fort in Charleston Harbor that triggered the start of the American Civil War.
• C. Siege of Charleston Harbor chosen
  The Siege of Charleston Harbor was a prolonged series of Union naval and land operations during the American Civil War aimed at capturing the key Confederate port city of Charleston, South Carolina.
• D. Siege of Charleston
  The Siege of Charleston was a major 1780 British victory in the American Revolutionary War that resulted in the capture of a key Southern port city and one of the largest American surrenders of the conflict.
• E. Port Hudson campaign
  The Port Hudson campaign was a major American Civil War operation in Louisiana in 1863, in which Union forces besieged and ultimately captured the Confederate stronghold of Port Hudson to gain control of the Mississippi River.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.