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 of Flanders | Statement: [John II, Duke of Brabant, mother, Margaret of Flanders]

Target entity: Margaret of Flanders
Context triple: [John II, Duke of Brabant, mother, Margaret of Flanders]

• A. Margaret of Flanders
  Margaret of Flanders was a 13th-century noblewoman from the influential Flemish comital family who became Princess of Scotland through her marriage to Alexander, Prince of Scotland.
• B. Beatrice of Flanders
  Beatrice of Flanders was a 13th-century noblewoman from the House of Dampierre who became Countess of Holland and Zeeland through her marriage to John I, Count of Holland.
• C. Margaret of Brabant
  Margaret of Brabant was a 14th-century Duchess of Luxembourg and Holy Roman Empress as the wife of Emperor Henry VII.
• D. Margaret of England, Duchess of Brabant chosen
  Margaret of England, Duchess of Brabant, was a 13th-century English princess, daughter of King Edward I, who became Duchess consort of Brabant through her marriage to John II, Duke of Brabant.
• E. Philippa of Hainaut
  Philippa of Hainaut was a 14th-century Queen of England, wife of King Edward III, noted for her political influence, patronage, and reputed plea that spared the lives of the Burghers of Calais.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.