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: Margaret Beaufort, Countess of Richmond and Derby | Statement: [Edmund Tudor, Duke of Somerset, paternalGrandmother, Margaret Beaufort, Countess of Richmond and Derby]

Target entity: Margaret Beaufort, Countess of Richmond and Derby
Context triple: [Edmund Tudor, Duke of Somerset, paternalGrandmother, Margaret Beaufort, Countess of Richmond and Derby]

• A. Margaret Beaufort chosen
  Margaret Beaufort was an influential English noblewoman and political strategist of the late 15th century, best known as the mother of King Henry VII and a key architect of the Tudor dynasty.
• B. Elizabeth Grey, Countess Grey
  Elizabeth Grey, Countess Grey, was a British aristocrat best known as the mother of Charles Grey, 2nd Earl Grey, the Whig prime minister after whom Earl Grey tea is named.
• C. Anne Neville
  Anne Neville was an English noblewoman and queen consort of King Richard III during the late 15th-century Wars of the Roses.
• D. Mary Howard, Duchess of Norfolk
  Mary Howard, Duchess of Norfolk, was an English noblewoman of the powerful Howard family whose title and prominence in the aristocracy led to places such as Norfolk Island being named in her honor.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.