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: Isabel Neville, Duchess of Clarence | Statement: [George Plantagenet, 1st Duke of Bedford, mother, Isabel Neville, Duchess of Clarence]

Target entity: Isabel Neville, Duchess of Clarence
Context triple: [George Plantagenet, 1st Duke of Bedford, mother, Isabel Neville, Duchess of Clarence]

• A. Isabel Neville, Duchess of Clarence chosen
  Isabel Neville, Duchess of Clarence, was a 15th-century English noblewoman, elder daughter of Richard Neville “the Kingmaker” and wife of George, Duke of Clarence, whose life was entwined with the dynastic struggles of the Wars of the Roses.
• B. Cecily Neville, Duchess of York
  Cecily Neville, Duchess of York, was a powerful 15th-century English noblewoman and matriarch of the House of York, whose sons included Kings Edward IV and Richard III.
• C. Ursula of York
  Ursula of York was a short-lived 15th-century English princess, one of the younger daughters of Cecily Neville and Richard, Duke of York, and thus a sister of Kings Edward IV and Richard III.
• D. Anne Neville
  Anne Neville was an English noblewoman and queen consort of King Richard III during the late 15th-century Wars of the Roses.
• E. Margaret of York
  Margaret of York was the daughter of Queen Elizabeth Woodville and King Edward IV of England, a Yorkist princess of the late 15th century.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.