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: Alfonso, Prince of Asturias | Statement: [Isabella I of Castile, sibling, Alfonso, Prince of Asturias]

Target entity: Alfonso, Prince of Asturias
Context triple: [Isabella I of Castile, sibling, Alfonso, Prince of Asturias]

• A. John, Prince of Asturias
  John, Prince of Asturias was the only son and heir apparent of the Catholic Monarchs Ferdinand II of Aragon and Isabella I of Castile, whose early death in 1497 altered the line of succession in Spain.
• B. Prince of Asturias
  The Prince of Asturias is the traditional title given to the heir apparent to the Spanish throne, comparable to the British title Prince of Wales.
• C. Balthasar Charles, Prince of Asturias
  Balthasar Charles, Prince of Asturias was the short-lived heir apparent to the Spanish throne in the 17th century, whose early death profoundly affected the Habsburg succession.
• D. Infante Carlos, Count of Molina
  Infante Carlos, Count of Molina was a Spanish Bourbon prince who became the first Carlist pretender to the Spanish throne, leading the conservative Carlist movement in the 19th century.
• E. Infante Gabriel of Spain
  Infante Gabriel of Spain was an 18th-century Spanish Bourbon prince noted for his cultural refinement, patronage of the arts, and close association with his father, King Charles III.
• 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: Alfonso, Prince of Asturias
Triple: [Isabella I of Castile, sibling, Alfonso, Prince of Asturias]

Alfonso, Prince of Asturias was the younger brother of Queen Isabella I of Castile and a Castilian heir whose early death helped precipitate the succession crisis that led to Isabella’s rise to the throne.

Target entity: Alfonso, Prince of Asturias
Target entity description: Alfonso, Prince of Asturias was the younger brother of Queen Isabella I of Castile and a Castilian heir whose early death helped precipitate the succession crisis that led to Isabella’s rise to the throne.

• A. John, Prince of Asturias
  John, Prince of Asturias was the only son and heir apparent of the Catholic Monarchs Ferdinand II of Aragon and Isabella I of Castile, whose early death in 1497 altered the line of succession in Spain.
• B. Prince of Asturias
  The Prince of Asturias is the traditional title given to the heir apparent to the Spanish throne, comparable to the British title Prince of Wales.
• C. Balthasar Charles, Prince of Asturias
  Balthasar Charles, Prince of Asturias was the short-lived heir apparent to the Spanish throne in the 17th century, whose early death profoundly affected the Habsburg succession.
• D. Infante Carlos, Count of Molina
  Infante Carlos, Count of Molina was a Spanish Bourbon prince who became the first Carlist pretender to the Spanish throne, leading the conservative Carlist movement in the 19th century.
• E. Infante Gabriel of Spain
  Infante Gabriel of Spain was an 18th-century Spanish Bourbon prince noted for his cultural refinement, patronage of the arts, and close association with his father, King Charles III.
• F. None of above. chosen