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: Fort Marion | Statement: [Castillo de San Marcos, formerName, Fort Marion]

Target entity: Fort Marion
Context triple: [Castillo de San Marcos, formerName, Fort Marion]

• A. Fort Royal prison
  Fort Royal prison is a historic fortress-turned-detention facility on Île Sainte-Marguerite off the French Riviera, best known for holding the mysterious "Man in the Iron Mask."
• B. Fort Ricketts
  Fort Ricketts is a historic American Civil War-era earthwork fortification in Washington, D.C., built as part of the defensive ring protecting the capital.
• C. Fort Anderson
  Fort Anderson is a historic Civil War–era Confederate fortification and archaeological site located along the Cape Fear River in North Carolina.
• D. Fort Recovery State Memorial
  Fort Recovery State Memorial is a historic site and park in Ohio that preserves the location of a major 1791 U.S.–Native American conflict and interprets the broader history of early frontier warfare in the Northwest Territory.
• E. Fort Macon
  Fort Macon is a 19th-century coastal defense fortification in North Carolina, built as part of the United States’ Third System of seacoast defenses and now preserved as a state park and historic site.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Fort Marion
Triple: [Castillo de San Marcos, formerName, Fort Marion]

Fort Marion is the former name of the Castillo de San Marcos, a historic 17th-century Spanish stone fortress in St. Augustine, Florida, now preserved as a national monument.

Target entity: Fort Marion
Target entity description: Fort Marion is the former name of the Castillo de San Marcos, a historic 17th-century Spanish stone fortress in St. Augustine, Florida, now preserved as a national monument.

• A. Fort Royal prison
  Fort Royal prison is a historic fortress-turned-detention facility on Île Sainte-Marguerite off the French Riviera, best known for holding the mysterious "Man in the Iron Mask."
• B. Fort Ricketts
  Fort Ricketts is a historic American Civil War-era earthwork fortification in Washington, D.C., built as part of the defensive ring protecting the capital.
• C. Fort Anderson
  Fort Anderson is a historic Civil War–era Confederate fortification and archaeological site located along the Cape Fear River in North Carolina.
• D. Fort Recovery State Memorial
  Fort Recovery State Memorial is a historic site and park in Ohio that preserves the location of a major 1791 U.S.–Native American conflict and interprets the broader history of early frontier warfare in the Northwest Territory.
• E. Fort Macon
  Fort Macon is a 19th-century coastal defense fortification in North Carolina, built as part of the United States’ Third System of seacoast defenses and now preserved as a state park and historic site.
• F. None of above. chosen