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: [Louis IX of France, mother, Blanche of Castile]

Target entity: Blanche of Castile
Context triple: [Louis IX of France, mother, Blanche of Castile]

• A. 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.
• B. Eleanor of England, Queen of Castile
  Eleanor of England, Queen of Castile, was a 12th–13th century English princess and daughter of Henry II and Eleanor of Aquitaine who became queen consort of Castile and an influential figure in Iberian politics and culture.
• C. Elvira of Castile
  Elvira of Castile was a 12th-century Castilian princess who became Queen of Sicily through her marriage to King Roger II.
• 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. Joanna of Castile
  Joanna of Castile, also known as Joanna the Mad, was a queen of Castile and Aragon whose reign marked the dynastic union that led to a unified Spain, though she spent much of her life confined due to alleged mental illness.
• 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: Blanche of Castile
Triple: [Louis IX of France, mother, 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.

Target entity: Blanche of Castile
Target entity description: 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.

• A. 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.
• B. Eleanor of England, Queen of Castile
  Eleanor of England, Queen of Castile, was a 12th–13th century English princess and daughter of Henry II and Eleanor of Aquitaine who became queen consort of Castile and an influential figure in Iberian politics and culture.
• C. Elvira of Castile
  Elvira of Castile was a 12th-century Castilian princess who became Queen of Sicily through her marriage to King Roger II.
• 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. Joanna of Castile
  Joanna of Castile, also known as Joanna the Mad, was a queen of Castile and Aragon whose reign marked the dynastic union that led to a unified Spain, though she spent much of her life confined due to alleged mental illness.
• F. None of above. chosen