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: Old Post Office Building, Washington, D.C. | Statement: [Advisory Council on Historic Preservation, locatedIn, Old Post Office Building, Washington, D.C.]

Target entity: Old Post Office Building, Washington, D.C.
Context triple: [Advisory Council on Historic Preservation, locatedIn, Old Post Office Building, Washington, D.C.]

• A. J. Edgar Hoover Building
  The J. Edgar Hoover Building is a large Brutalist-style office complex in Washington, D.C., that serves as the main headquarters of the FBI.
• 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. GAO Building
  The GAO Building is the main Washington, D.C. office complex that serves as the central workplace for the U.S. Government Accountability Office’s oversight and auditing operations.
• D. Old Capitol Building
  The Old Capitol Building is a historic government structure in Tallahassee that once served as Florida’s state capitol and now functions as a museum.
• E. Patent Office Building (Washington, D.C.)
  The Patent Office Building in Washington, D.C. is a prominent 19th-century Greek Revival landmark that has housed various federal institutions and now contains the Smithsonian American Art Museum and the National Portrait Gallery.
• 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: Old Post Office Building, Washington, D.C.
Triple: [Advisory Council on Historic Preservation, locatedIn, Old Post Office Building, Washington, D.C.]

The Old Post Office Building in Washington, D.C. is a historic late-19th-century federal building on Pennsylvania Avenue that has served various government and commercial uses and is noted for its prominent clock tower.

Target entity: Old Post Office Building, Washington, D.C.
Target entity description: The Old Post Office Building in Washington, D.C. is a historic late-19th-century federal building on Pennsylvania Avenue that has served various government and commercial uses and is noted for its prominent clock tower.

• A. J. Edgar Hoover Building
  The J. Edgar Hoover Building is a large Brutalist-style office complex in Washington, D.C., that serves as the main headquarters of the FBI.
• 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. GAO Building
  The GAO Building is the main Washington, D.C. office complex that serves as the central workplace for the U.S. Government Accountability Office’s oversight and auditing operations.
• D. Old Capitol Building
  The Old Capitol Building is a historic government structure in Tallahassee that once served as Florida’s state capitol and now functions as a museum.
• E. Patent Office Building (Washington, D.C.)
  The Patent Office Building in Washington, D.C. is a prominent 19th-century Greek Revival landmark that has housed various federal institutions and now contains the Smithsonian American Art Museum and the National Portrait Gallery.
• F. None of above. chosen