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: Mafalda of Castile | Statement: [Eleanor of England, Queen of Castile, child, Mafalda of Castile]

Target entity: Mafalda of Castile
Context triple: [Eleanor of England, Queen of Castile, child, Mafalda of Castile]

• A. Urraca of Castile
  Urraca of Castile was a 12th-century Castilian infanta and daughter of King Alfonso VIII of Castile and Eleanor of England, noted for her role in the dynastic politics linking the kingdoms of Castile and England.
• B. 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.
• C. 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.
• D. 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.
• E. Constance of Castile
  Constance of Castile was a 12th-century Castilian princess who became Queen of France as the second wife of King Louis VII.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Mafalda of Castile
Triple: [Eleanor of England, Queen of Castile, child, Mafalda of Castile]

Mafalda of Castile was a 13th-century Castilian infanta, daughter of King Alfonso VIII of Castile and Queen Eleanor of England, known primarily for her royal lineage and early death before marriage.

Target entity: Mafalda of Castile
Target entity description: Mafalda of Castile was a 13th-century Castilian infanta, daughter of King Alfonso VIII of Castile and Queen Eleanor of England, known primarily for her royal lineage and early death before marriage.

• A. Urraca of Castile
  Urraca of Castile was a 12th-century Castilian infanta and daughter of King Alfonso VIII of Castile and Eleanor of England, noted for her role in the dynastic politics linking the kingdoms of Castile and England.
• B. 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.
• C. 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.
• D. 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.
• E. Constance of Castile
  Constance of Castile was a 12th-century Castilian princess who became Queen of France as the second wife of King Louis VII.
• F. None of above. chosen