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: [Reginald II, Count of Guelders, mother, Margaret of Flanders]

Target entity: Margaret of Flanders
Context triple: [Reginald II, Count of Guelders, 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. Margaret of Flanders chosen
  Margaret of Flanders, also known as Margaret II, was a 13th-century countess who ruled Flanders and Hainaut and played a key role in the political struggles between France and England in the Low Countries.
• C. 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.
• D. Margaret of Brabant
  Margaret of Brabant was a 14th-century Duchess of Luxembourg and Holy Roman Empress as the wife of Emperor Henry VII.
• E. Margaret of England, Duchess of Brabant
  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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.