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: Constance of Castile | Statement: [Margaret of France, mother, Constance of Castile]

Target entity: Constance of Castile
Context triple: [Margaret of France, mother, Constance of Castile]

• A. Constance of Castile
  Constance of Castile was a 14th-century Castilian princess and claimant to the Castilian throne who became the second wife of John of Gaunt, Duke of Lancaster, thereby linking the English royal family to the Castilian royal line.
• B. Constance of Castile chosen
  Constance of Castile was a 12th-century Castilian princess who became Queen of France as the second wife of King Louis VII.
• C. Ximena of Castile
  Ximena of Castile was a medieval Castilian noblewoman and royal daughter known primarily through her dynastic connections within the European nobility.
• D. Constanza of Castile
  Constanza of Castile was an illegitimate Castilian noblewoman of the 14th century, known primarily as a daughter of King Alfonso XI of Castile and his powerful mistress Eleanor de Guzmán.
• E. Blanche of Castile
  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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.