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: Civil War Defenses of Washington | Statement: [National Capital Parks-East, hasPart, Civil War Defenses of Washington]

Target entity: Civil War Defenses of Washington
Context triple: [National Capital Parks-East, hasPart, Civil War Defenses of Washington]

• A. Pennsylvania Avenue National Historic Site
  Pennsylvania Avenue National Historic Site is a protected historic corridor in Washington, D.C., encompassing landmark government buildings and monuments along the ceremonial route between the U.S. Capitol and the White House.
• B. Smithsonian Institution Building
  The Smithsonian Institution Building, often called "The Castle," is a distinctive red sandstone landmark on the National Mall that serves as the historic headquarters and visitor center of the Smithsonian Institution.
• C. Fort McNair
  Fort McNair is a historic U.S. Army post in Washington, D.C., that houses major military commands and educational institutions and has served as a key defense installation since the early 19th century.
• D. Smithsonian Arts and Industries Building
  The Smithsonian Arts and Industries Building is a historic museum on the National Mall in Washington, D.C., known as one of the oldest Smithsonian buildings and an early home for the Institution’s exhibitions of American innovation and culture.
• E. Tudor Place
  Tudor Place is a historic Federal-style mansion and garden in Washington, D.C., once home to descendants of Martha Washington and now preserved as a museum.
• 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: Civil War Defenses of Washington
Triple: [National Capital Parks-East, hasPart, Civil War Defenses of Washington]

Civil War Defenses of Washington is a network of historic Union forts, batteries, and related sites built to protect the U.S. capital during the American Civil War, now preserved as a unit of the National Park System.

Target entity: Civil War Defenses of Washington
Target entity description: Civil War Defenses of Washington is a network of historic Union forts, batteries, and related sites built to protect the U.S. capital during the American Civil War, now preserved as a unit of the National Park System.

• A. Pennsylvania Avenue National Historic Site
  Pennsylvania Avenue National Historic Site is a protected historic corridor in Washington, D.C., encompassing landmark government buildings and monuments along the ceremonial route between the U.S. Capitol and the White House.
• B. Smithsonian Institution Building
  The Smithsonian Institution Building, often called "The Castle," is a distinctive red sandstone landmark on the National Mall that serves as the historic headquarters and visitor center of the Smithsonian Institution.
• C. Fort McNair
  Fort McNair is a historic U.S. Army post in Washington, D.C., that houses major military commands and educational institutions and has served as a key defense installation since the early 19th century.
• D. Smithsonian Arts and Industries Building
  The Smithsonian Arts and Industries Building is a historic museum on the National Mall in Washington, D.C., known as one of the oldest Smithsonian buildings and an early home for the Institution’s exhibitions of American innovation and culture.
• E. Tudor Place
  Tudor Place is a historic Federal-style mansion and garden in Washington, D.C., once home to descendants of Martha Washington and now preserved as a museum.
• F. None of above. chosen