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 Armstrong | Statement: [Rock Island Arsenal, constructedOnFormerSiteOf, Fort Armstrong]

Target entity: Fort Armstrong
Context triple: [Rock Island Arsenal, constructedOnFormerSiteOf, Fort Armstrong]

• A. Fort Duncan
  Fort Duncan is a historic 19th-century U.S. Army post located near Eagle Pass, Texas, that played a key role in border defense along the Rio Grande.
• B. Fort Hughes
  Fort Hughes was a former U.S. coastal defense fortification located on Caballo Island in Manila Bay, Philippines, that played a role in the harbor’s military defenses during the early 20th century and World War II.
• C. Fort Sherman
  Fort Sherman was a former United States Army military installation on the Atlantic side of the Panama Canal, historically used for jungle warfare training and canal defense.
• D. Fort Kodiak
  Fort Kodiak was a U.S. Army post historically garrisoned under the Department of the Columbia in the Pacific Northwest.
• E. Fort Andrews
  Fort Andrews is a former U.S. Army coastal defense fortification located on Peddocks Island in Boston Harbor, Massachusetts, now part of a historic and recreational area.
• 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 Armstrong
Triple: [Rock Island Arsenal, constructedOnFormerSiteOf, Fort Armstrong]

Fort Armstrong was a 19th-century U.S. Army fort on an island in the Mississippi River that played a key role in frontier defense and regional conflicts such as the Black Hawk War.

Target entity: Fort Armstrong
Target entity description: Fort Armstrong was a 19th-century U.S. Army fort on an island in the Mississippi River that played a key role in frontier defense and regional conflicts such as the Black Hawk War.

• A. Fort Duncan
  Fort Duncan is a historic 19th-century U.S. Army post located near Eagle Pass, Texas, that played a key role in border defense along the Rio Grande.
• B. Fort Hughes
  Fort Hughes was a former U.S. coastal defense fortification located on Caballo Island in Manila Bay, Philippines, that played a role in the harbor’s military defenses during the early 20th century and World War II.
• C. Fort Sherman
  Fort Sherman was a former United States Army military installation on the Atlantic side of the Panama Canal, historically used for jungle warfare training and canal defense.
• D. Fort Kodiak
  Fort Kodiak was a U.S. Army post historically garrisoned under the Department of the Columbia in the Pacific Northwest.
• E. Fort Andrews
  Fort Andrews is a former U.S. Army coastal defense fortification located on Peddocks Island in Boston Harbor, Massachusetts, now part of a historic and recreational area.
• F. None of above. chosen

Target predicate: constructedOnFormerSiteOf
Context triple: [Rock Island Arsenal, constructedOnFormerSiteOf, Fort Armstrong]

• A. formerSiteOf chosen
  Indicates that a location previously hosted or contained something (such as a structure, organization, or event) that is no longer present there.
• B. formerlyLocatedOn
  Indicates that an entity was once located on or situated upon another entity, but is no longer in that position.
• C. locatedAtFormer
  Indicates that an entity is currently located at a place where another entity was previously located.
• D. hasFormerBuilding
  Indicates that an entity previously occupied or used a different building, which is identified as its former building.
• E. occupiesFormerBuilding
  Indicates that one entity is currently using or located in a building that was previously used or occupied by another entity.
• F. None of above.