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: Blanche of Castile | Statement: [Henry I of Castile, sibling, Blanche of Castile]

Target entity: Blanche of Castile
Context triple: [Henry I of Castile, sibling, Blanche of Castile]

• A. Blanche of Castile chosen
  Blanche of Castile was a powerful 13th-century Queen of France and regent renowned for her political acumen and for effectively governing the kingdom during the minority and absences of her son, King Louis IX.
• B. Beatrice of Castile
  Beatrice of Castile was a 13th-century Castilian infanta and queen consort of Portugal, known for her dynastic marriage that strengthened ties between the Iberian kingdoms.
• C. Leonor of Castile
  Leonor of Castile was a medieval Castilian infanta and noblewoman, notable as the daughter of King Ferdinand III of Castile and later Countess of Ponthieu through her marriage to Simon de Dammartin.
• D. Leonor of Castile
  Leonor of Castile was a 12th–13th century Castilian infanta who became Queen consort of England as the wife of King Edward I.
• E. Berengaria of Castile
  Berengaria of Castile was a 13th-century queen regnant of Castile and briefly of León, noted for her political acumen and for being the mother of Ferdinand III, who united the crowns of Castile and León.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.