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: Isabella of Scotland, Duchess of Brittany | Statement: [Annabella Stewart, sibling, Isabella of Scotland, Duchess of Brittany]

Target entity: Isabella of Scotland, Duchess of Brittany
Context triple: [Annabella Stewart, sibling, Isabella of Scotland, Duchess of Brittany]

• A. Isabella of Scotland, Duchess of Brittany chosen
  Isabella of Scotland, Duchess of Brittany, was a 15th-century Scottish princess who became Duchess of Brittany through marriage, linking the royal houses of Scotland and Brittany.
• B. Margaret of Scotland, Duchess of Brittany
  Margaret of Scotland, Duchess of Brittany was a 13th-century Scottish princess who became Duchess of Brittany through marriage, linking the royal houses of Scotland and Brittany.
• C. Eleanor of Brittany
  Eleanor of Brittany was a 13th-century English princess and daughter of King Henry III and Eleanor of Provence, known for her brief betrothal to Simon de Montfort’s son and her life largely spent in religious devotion.
• D. Mary of Waltham, Duchess of Brittany
  Mary of Waltham, Duchess of Brittany, was a 14th-century English princess, daughter of King Edward III, who became duchess through her marriage to John IV, Duke of Brittany.
• E. Joan of Valois, Duchess of Brittany
  Joan of Valois, Duchess of Brittany, was a 14th-century French princess of the Valois dynasty who became Duchess of Brittany through marriage into the Breton ducal house.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.