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: Librarian of Congress | Statement: [Ada Hitchcock MacLeish, spouseOccupation, Librarian of Congress]

Target entity: Librarian of Congress
Context triple: [Ada Hitchcock MacLeish, spouseOccupation, Librarian of Congress]

• A. Librarian of Congress chosen
  The Librarian of Congress is the chief executive and primary steward of the United States Library of Congress, overseeing its collections, services, and national library programs.
• B. Archivist of the United States
  The Archivist of the United States is the chief official responsible for overseeing the National Archives and Records Administration and safeguarding the federal government’s documentary heritage.
• C. Librarian of Congress Carla Hayden
  Librarian of Congress Carla Hayden is an American librarian and administrator who became the first woman and first African American to lead the Library of Congress.
• D. Library of Congress
  The Library of Congress is the national library of the United States and one of the world’s largest and most comprehensive research libraries, serving as the research arm of the U.S. Congress.
• E. New York State Librarian
  The New York State Librarian is the chief official responsible for overseeing the New York State Library and guiding statewide library development and services.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.