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: Dictionary of American Biography | Statement: [Frederick Jackson Turner, describedIn, Dictionary of American Biography]

Target entity: Dictionary of American Biography
Context triple: [Frederick Jackson Turner, describedIn, Dictionary of American Biography]

• A. Dictionary of American Biography chosen
  The Dictionary of American Biography is a multi-volume reference work containing scholarly biographical essays on significant figures in American history, originally published in the early 20th century.
• B. American National Biography
  American National Biography is a comprehensive biographical reference work that profiles significant figures in American history and culture.
• C. Appletons' Cyclopaedia of American Biography
  Appletons' Cyclopaedia of American Biography is a late 19th-century multi-volume reference work containing biographical sketches of notable figures from American history.
• D. Dictionary of National Biography
  The Dictionary of National Biography is a comprehensive reference work that provides scholarly biographical articles on notable figures in British history.
• E. African American National Biography
  The African American National Biography is a comprehensive reference work that profiles notable African American figures across history and fields of achievement.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.