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: Elvira of Castile | Statement: [Raymond IV of Toulouse, spouse, Elvira of Castile]

Target entity: Elvira of Castile
Context triple: [Raymond IV of Toulouse, spouse, Elvira of Castile]

• A. Elvira of Castile
  Elvira of Castile was a 12th-century Castilian princess who became Queen of Sicily through her marriage to King Roger II.
• B. Berengaria of Navarre
  Berengaria of Navarre was a medieval queen consort of England, known as the wife of King Richard the Lionheart and for never having set foot in England during his reign.
• C. 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.
• D. Joanna la Beltraneja
  Joanna la Beltraneja was a 15th-century Castilian princess and disputed claimant to the thrones of Castile and León, whose contested legitimacy sparked a major succession crisis and civil war.
• 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. 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: Elvira of Castile
Triple: [Raymond IV of Toulouse, spouse, Elvira of Castile]

Elvira of Castile was a medieval Castilian noblewoman and illegitimate daughter of King Alfonso VI of León and Castile, known for her politically significant marriage to the Crusader leader Raymond IV of Toulouse.

Target entity: Elvira of Castile
Target entity description: Elvira of Castile was a medieval Castilian noblewoman and illegitimate daughter of King Alfonso VI of León and Castile, known for her politically significant marriage to the Crusader leader Raymond IV of Toulouse.

• A. Elvira of Castile
  Elvira of Castile was a 12th-century Castilian princess who became Queen of Sicily through her marriage to King Roger II.
• B. Berengaria of Navarre
  Berengaria of Navarre was a medieval queen consort of England, known as the wife of King Richard the Lionheart and for never having set foot in England during his reign.
• C. 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.
• D. Joanna la Beltraneja
  Joanna la Beltraneja was a 15th-century Castilian princess and disputed claimant to the thrones of Castile and León, whose contested legitimacy sparked a major succession crisis and civil war.
• 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. chosen