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: Flagg Building (Washington, D.C.) | Statement: [Ernest Flagg, designed, Flagg Building (Washington, D.C.)]

Target entity: Flagg Building (Washington, D.C.)
Context triple: [Ernest Flagg, designed, Flagg Building (Washington, D.C.)]

• A. 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.
• B. Metropolitan Washington Council of Governments building
  The Metropolitan Washington Council of Governments building is a modernist government office structure in Washington, D.C., designed by prominent American architect John Carl Warnecke.
• C. 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.
• D. John A. Wilson Building, Washington, D.C.
  The John A. Wilson Building in Washington, D.C. is the historic seat of the District of Columbia’s municipal government, housing the offices of the mayor and the D.C. Council.
• E. Cannon House Office Building
  The Cannon House Office Building is a historic congressional office building in Washington, D.C., that provides offices and facilities for members of the U.S. House of Representatives.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Flagg Building (Washington, D.C.)
Target entity description: The Flagg Building in Washington, D.C. is a Beaux-Arts architectural landmark that originally housed the Corcoran Gallery of Art and is now part of The George Washington University.

• A. 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.
• B. Metropolitan Washington Council of Governments building
  The Metropolitan Washington Council of Governments building is a modernist government office structure in Washington, D.C., designed by prominent American architect John Carl Warnecke.
• C. 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.
• D. John A. Wilson Building, Washington, D.C.
  The John A. Wilson Building in Washington, D.C. is the historic seat of the District of Columbia’s municipal government, housing the offices of the mayor and the D.C. Council.
• E. Cannon House Office Building
  The Cannon House Office Building is a historic congressional office building in Washington, D.C., that provides offices and facilities for members of the U.S. House of Representatives.
• F. None of above. chosen