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: Mary of Guelders | Statement: [John Stewart, Earl of Mar, mother, Mary of Guelders]

Target entity: Mary of Guelders
Context triple: [John Stewart, Earl of Mar, mother, Mary of Guelders]

• A. Mary of Guelders chosen
  Mary of Guelders was a 15th-century queen consort of Scotland and later regent, noted for her political influence and patronage of religious and architectural projects.
• B. Maria of Brabant
  Maria of Brabant was a 13th-century noblewoman, Duchess of Brabant by marriage to Henry II, known for her role in European dynastic politics and as the daughter of Saint Louis IX of France.
• C. 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.
• D. Maria of Nassau
  Maria of Nassau was a 16th-century Dutch noblewoman, daughter of William the Silent and Anna van Egmond, who lived during the early years of the Dutch Revolt.
• 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.