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: Matilda of Flanders | Statement: [Constance of Normandy, mother, Matilda of Flanders]

Target entity: Matilda of Flanders
Context triple: [Constance of Normandy, mother, Matilda of Flanders]

• A. Matilda of Flanders chosen
  Matilda of Flanders was the influential duchess of Normandy and queen consort of England, known for her political acumen and support of her husband William the Conqueror’s rule.
• B. Adela of Flanders
  Adela of Flanders was a medieval noblewoman of the influential Flemish comital family, best known as the daughter of Count Baldwin V of Flanders and the mother of Matilda of Flanders, queen consort of William the Conqueror.
• C. Margaret I, Countess of Flanders
  Margaret I, Countess of Flanders was a 12th-century noblewoman who ruled Flanders in her own right and played a key role in the dynastic politics of medieval France and the Low Countries.
• D. Adelaide of Vermandois
  Adelaide of Vermandois was a French noblewoman of the Carolingian-descended Vermandois family, notable as the wife of Hugh of Vermandois and for her role in the politics of northern France in the late 11th and early 12th centuries.
• E. Adeliza of Louvain
  Adeliza of Louvain was a 12th-century noblewoman from the Duchy of Brabant who became the second wife and queen consort of King Henry I of England.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.